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IBM 4230 and 4232 Printers Maintenance Information Manual
Document Number SA40-0572-04

IBML

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Note! Before using this information and the product it works with, ensure that you read the general information under "Special Notices" on page xiii.

Fifth Edition (April 1994) This manual is for the use of IBM service personnel in the maintenance or repair of the IBM 4230 and 4232 Printers. IBM makes no representations that it is suitable for any other purpose. Publications are not stocked at the address given below; requests for IBM publications should be made to your IBM representative or to the IBM branch office serving your locality. A form for reader's comments is provided at the back of this publication. If the form has been removed, address comments to Pennant Systems Inc., Serviceability Engineering, Department R64, 1701 North Street Endicott, NY 13760, USA. IBM/Pennant Systems may use or distribute any of the information you supply in any way it believes suitable without incurring any obligation to you. Copyright International Business Machines Corporation 1991, 1992. All rights reserved. Note to U.S. Government Users -- Documentation related to restricted rights -- Use, duplication or disclosure is subject to restrictions set forth in GSA ADP Schedule Contract with IBM Corp.

Contents

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Contents
Section 000. General Information 000-1 001 - Printer Summary 000-1 Types of Printing 000-1 Character Spacing 000-2 Line Spacing 000-3 Text Highlighting 000-4 Advanced Printing Functions 000-6 Printer Service 000-9 Forms Devices 000-10 Printer Electronics 000-10 Model Identification 000-11 003 - Control and Data Flow Description 000-11 005 - Power-On Self Test (POST) 000-13 010 - Operator Panel 000-14 011 - Indicators 000-17 Power Indicator 000-17 Ready Indicator 000-17 Format Indicator (4230 Models 201,202, 2I1, 2S2, 5I3, and 5S3) 000-18 Online Indicator (4230 Models 101, 102, 1I1, 1S2, 4I3, 4S3, and 4232 Model 302) 000-18 Processing Indicator 000-19 Attention Indicator 000-19 Unit Check Indicator 000-19 012 - The Display 000-20 013 - The Keys 000-23 Start Key 000-24 Stop Key 000-24 Line Feed Key 000-25 Load/Eject Key 000-26 Form Feed Key 000-28 Set Top of Form Key 000-28 Micro /Scroll Key 000-29

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Micro /Scroll Key 000-29 Darker/Enter Key 000-30 Lighter/Return Key 000-31 Menu Key 000-33 Quick Reference Key 000-33 Cancel Print Key 000-34 Test Key 000-34 Hex Print Key (4230 Models 101, 102, 1I1, 1S2, 4I3, 4S3, and 5I3, 5S3 when Serial/Parallel Active and 4232 Model 302) 000-35 Display Address Key (4230 Models 101, 102, 1I1, 2S2) 000-36 Display Interface Key (4230 Models 4I3, 4S3, 5I3, 5S3, and 4232 Model 302) 000-36 PA1 Key (4230 Models 201, 202, 2I1, 2S2, 5I3, and 5S3) 000-37 PA2 Key (4230 Models 201, 202, 2I1, 2S2, 5I3, and 5S3) 000-38 020 - Controls 000-38 021 - Power Switch 000-39 023 - Alarm 000-39 030 - Printer Functional Units 000-40 031 - Print Mechanism 000-40 Print Head Drive 000-40 Print Head 000-41 032 - Forms Drive 000-41 033 - Forms Devices 000-41 Continuous Forms Device (F1) 000-41 Dual Purpose Forms Device (F2) 000-42 Document Insertion Device (F3) 000-42 Auto Sheet Feeder Device (F4) 000-43 034 - Ribbon Drive 000-43 Ribbons 000-43 035 - Cooling Fan 000-44 036 - Sensors 000-44 End of Forms Sensor 000-44 Paper Present Sensor 000-45 Door Open and Cover Open Sensors 000-45

IBM 4230 and 4232 Printers Maintenance Information Manual

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Contents

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Automatic Forms Thickness Sensor 000-45 037 - Power Supply 000-45 038 - Printer Logic Board 000-46 040 - Attachment Bezel (4230 Only) 000-46 041 - Attachment Card/Bezel (4230 Models 4I3, 4S3, 5I3, 5S3, and 4232 Model 302) 000-46 050 - Diagnostics 000-47 051 - Replaceable Units 000-47 Customer-Replaceable Unit (CRU) 000-47 Field-Replaceable Unit (FRU) 000-48 052 - Operator Tests 000-48 Operator Test Descriptions 000-48 Selecting Operator Tests 000-48 Printer Configuration 000-49 Bidirectional Adjustment 000-61 Left Margin Alignment 000-61 Printer Demonstration 000-62 Printer Verification 000-62 Top of Form Alignment 000-62 056 - Offline CE Tests Descriptions 000-63 Performing Offline CE Tests 000-65 Error Log 000-66 Error Log Utilization 000-66 Operator Panel Test 000-67 Power On Operator Panel Test 000-68 Sensor Test 000-68 AFTA Setting 000-69 Print Wire Test 000-70 Print Wire Test 2 000-70 Bidirectional Adjustment 000-71 NLQ Print Quality Test 000-72 NLQ 80 Ripple Pattern 000-73 DP Print Quality Test 000-74 DPT Print Quality Test 000-75 Fast Draft Quality Test 000-76 20 CPI Test 000-77

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17.1 CPI Test 000-78 16.7 CPI Test 000-79 15 CPI Test 000-80 12 CPI Test 000-81 10 CPI Test 000-82 Slow Head Test 000-83 Fast Head Test 000-84 Attachment Storage Dump (4230 Only) 000-84 Print ROS Part Numbers Test 000-84 Forms Motor Test 000-85 Bin 1 Selection Test (F4 - AFS Forms Drive) 000-85 Bin 2 Selection Test (F4 - AFS Forms Drive) 000-85 Bin 3 Selection Test (F4 - AFS Forms Drive) 000-85 Bin 4 Selection Test (F4 - AFS Forms Drive) 000-86 Ribbon Motor Test 000-86 Display Memory Locations 000-86 Enable/Disable Cover Sensors 000-86 Perpetual AFTA 000-87 AFTA Run In 000-87 Print Usage Metrics 000-87 Print Error Log 000-87 Set Factory Defaults 000-88 Clear Error Log 000-88 057 - Service Checks 000-89 Print Density (Light/Dark) Service Check 000-89 Smearing - Print Service Check 000-90 Missing Dots or Character Service Check 000-92 Vertical Alignment Service Check 000-94 Forms Feed Service Check 000-97 False Forms Jam Service Check 000-108 False End Of Forms Service Check 000-108 AFTA Setting Procedure 000-109 Twinaxial Attachment Bezel Service Check 000-112 Coaxial Attachment Bezel Service Check 000-113 Twinaxial/Serial/Parallel Attachment Bezel Service Check 000-114

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Contents

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Coaxial/Serial/Parallel Attachment Bezel Service Check 000-115 Serial/Parallel Attachment Card/Bezel Service Check Section 100. Covers, Shields, and Frame 111 - Acoustic Cover 100-2 Removal 100-2 Installation 100-2 113 - Access Cover 100-4 Removal 100-4 Installation 100-4 115 - Front Paper Door 100-5 Removal 100-5 Installation 100-5 117 - Printer Cover Assembly 100-6 Removal 100-6 Installation 100-6 119 - Static Brush 100-8 Removal 100-8 Installation 100-9 121 - Rear Shield 100-10 Removal 100-10 Installation 100-10 123 - Entry Paper Chute 100-12 Removal 100-12 Installation 100-13 125 - Frame Assembly 100-14 Removal 100-14 Installation 100-15 127 - Air Deflectors 100-16 Removal 100-16 Installation 100-16 Section 200. Logic Boards 211 - Printer Logic Board Removal 200-2 200-1 200-2 100-1

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Installation 200-3 217 - Extended Memory Card (4230 Models 102, 1I1, 202, and 2I1 only) 200-4 Removal 200-4 Installation 200-4 Section 300. Print Units 300-1 320 - Print Head and Carrier 300-1 321 - Print Head 300-2 Removal 300-2 Installation 300-3 325 - Print Head Cable 300-4 Removal 300-4 Installation 300-4 329 - Print Head Carrier and Shaft 300-6 Removal 300-6 Installation 300-6 331 - Paper Present Sensor 300-8 Removal 300-8 Installation 300-8 333 - Carrier Upper Bearing, Lower Bearing, and Spring Removal 300-10 Installation 300-10 337 - Carrier Drive Motor 300-12 Removal 300-12 Installation 300-12 339 - Carrier Drive Belt 300-14 Removal 300-14 Installation 300-14 343 - Idler Assembly 300-16 Removal 300-16 Installation 300-16 Adjustment 300-16 345 - Door Open Sensor 300-18 Removal 300-18 Installation 300-18

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360 - Ribbon Units 300-20 361 - Ribbon Drive Crossbar 300-20 Removal 300-20 Installation 300-20 380 - Forms Feed Units 300-22 381 - Forms Motor 300-22 Removal 300-22 Installation 300-22 383 - End of Forms Sensor 300-24 Removal 300-24 Installation 300-24 Adjustment 300-24 385 - AFTA Assembly 300-26 Removal 300-26 Installation 300-26 Section 400. Communications 400-1 411 - Attachment Bezel (4230 Models 101, 102, 1I1, 1S2, 201, 202, 2I1, 2S2 only) 400-2 Removal 400-2 Installation 400-2 412 - Attachment Cards/Bezel (4230 Models 4I3, 4S3, 5I3, and 5S3 Only) 400-4 Removal 400-4 Installation 400-5 413 - Attachment Card/Bezel (4232 Model 302 Only) 400-7 Removal 400-7 Installation 400-7 Section 500. Operator Panel 500-1 511 - Operator Panel 500-1 Removal 500-1 Installation 500-1 515 - Operator Panel Overlay 500-2 Removal 500-2 Installation 500-2

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Section 600. Power and Fan 600-1 611 - Power Supply 600-2 Removal 600-2 Installation 600-3 613 - Cooling Fan and Bracket 600-4 Removal 600-4 Installation 600-4 Section 650. Auto Sheet Feeder 650-1 667 - Auto Sheet Feeder Belt and Drive Gear 650-1 Removal 650-1 Installation 650-1 670 - Auto Sheet Feeder Lever and Lever Spring 650-3 Removal 650-3 Installation 650-3 Section 700. Reference Information 700-1 705 - Service Positions 700-1 707 - Printer Logic Board Service Position 700-1 708 - Operator Panel Service Position 700-3 710 - Locations 700-4 711 - Locations, Front (Cover On) 700-4 713 - Locations, Rear (Cover On) 700-5 717 - Locations, Right Side (Cover On) 700-6 719 - Locations, Front (Cover Off) 700-7 720 - Locations, Cable Connectors 700-8 721 - Locations, Rear (Cover Off) 700-9 723 - Locations, Left Side (Cover Off) 700-11 725 - Locations, Right Side (Cover Off) 700-12 740 - Tools and Test Equipment 700-13 743 - Digital CE Voltmeter (P/N 8496278) 700-13 745 - Miniprobe (P/N 453718) 700-13 746 - Connector Probe (P/N 2548300) 700-13 747 - Metric Tool Supplement (P/N 1749235) 700-13 748 - Feeler Gauge (P/N 450745) 700-13 749 - Feeler Gauge Metric (P/N 1749245) 700-13

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Section 750. Wiring Diagrams 750-1 751 - Ground Wire 750-1 752 - ESD Grounds 750-2 753 - Printer Logic Board 750-3 CE Test Points 750-3 755 - Print Head Cable 750-5 757 - Operator Panel Cable 750-7 759 - Main Sensor Cable 750-8 760 4232 Model 302 Attactment Cable Connector Pin Assignments 750-9 The 4232 Printer Model 302 Serial Cable Connector Pin Assignment 750-9 4232 Model 302 Parallel Cable Connector Pin Assignments 750-11 Section 800. Changing Ribbons, Forms, and Forms Devices 800-1 810 - Ribbon Cartridge 800-1 811 - Ribbon Cartridge Removal 800-1 812 - Ribbon Cartridge Installation 800-2 820 - Forms Devices 800-7 821 - Forms Device Removal 800-7 822 - Forms Device Configuration 800-7 823 - Forms Device Installation 800-8 824 - Installing the F1 Forms Device 800-9 825 - Loading Forms (F1) 800-13 827 - Removing the F1 Forms Device 800-17 829 - Installing the F2 Forms Device 800-18 831 - Loading Forms (F2) 800-23 833 - Removing the F2 Forms Device 800-29 835 - Installing the F3 Forms Device 800-31 836 - Loading Forms (F3) 800-37 837 - Removing the F3 Forms Device 800-39 840 - Installing the F4 Forms Device 800-40 842 - Loading Forms (F4) 800-45 844 - Removing the F4 Forms Device 800-50

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Section 900. Vital Product Data 900-1 Serial Number 900-1 Displaying Device Specific Information 900-2 Index X-1

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Special Notices

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Special Notices
References in this publication to IBM products, programs, or services do not imply that IBM intends to make these available in all countries in which IBM operates. Any reference to an IBM licensed program in this publication is not intended to state or imply that only IBM's licensed program may be used. Any functionally equal program that does not infringe any of IBM's intellectual property rights or other legally protectible rights may be used instead of the IBM product, program, or service. Evaluation and verification of operation with other products, programs, or services, except those expressly designated by IBM, are the user's responsibility. IBM may have patents or patent applications covering subject matter in this document. The supplying of this document does not give you any license to these patents. You can send license inquiries, in writing, to the IBM Director or Commercial Relations, IBM Corporation, Purchase, NY 10577. The following terms, denoted by an asterisk (*) in this publication, are trademarks of the IBM Corporation in the United States and/or other countries: Application System/400 AS/400 Enterprise System/9000 IBM.

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IBM 4230 and 4232 Printers Maintenance Information Manual

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About This Book xv

About This Book
The purpose of this book is to provide you, the service representative, with the information necessary to repair the IBM* 4230 and 4232 Printers. You use this book after you follow the IBM 4230 and 4232 Printers Maintenance Analysis Procedures (MAPs). Once you identify the failing unit, the MAPs refer you to pages in this book so that you can exchange the unit.

How This Book is Organized
"Section 000. General Information" on page 000-1 introduces you to the 4230 Models 101, 102, 201, 202, 1S2, 2S2, 1I1, 2I1, 4I3, 5I3, 4S3, and 5S3, and the 4232 Model 302. the various functional units, operator controls, and diagnostic procedures. "Section 100. Covers, Shields, and Frame" on page 100-1 through "Section 650. Auto Sheet Feeder" on page 650-1 describe the removal and installation procedures. "Section 700. Reference Information" on page 700-1 provides reference information such as locations, tools, and test equipment. "Section 750. Wiring Diagrams" on page 750-1 Section 750 provides information about the printer's wiring. "Section 800. Changing Ribbons, Forms, and Forms Devices" on page 800-1 through "Section 900. Vital Product Data" on page 900-1 provide you with operator information that aid you in repairs. In addition, an index helps you find the material presented in this book.

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Publications
The following publications provide information about the IBM 4230 and 4232 Printers.

IBM 4230 and 4232 Printers Library
For IBM 4230 Printer planning information, refer to:
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IBM 4230 Printer Planning and Site Preparation Guide, GC40-1700. This guide contains detailed information to help you plan for and prepare the site for a 4230 Printer installation.

For IBM 4232 Printer planning information, refer to:
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IBM 4232 Printer Model 302 Planning and Site Preparation Guide, GA24-4390. This guide contains detailed information to help you plan for and prepare the site for a 4232 Printer installation.

For information about the IBM 4230 Printer Auto Sheet Feeder, refer to:
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IBM 4230 Printer Auto Sheet Feeder General Information, SA40-0578. This manual describes the setup and use of the Auto Sheet Feeder with the 4230 Printer.

For information about the IBM 4232 Printer Auto Sheet Feeder, refer to:
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IBM 4232 Printer Model 302 Auto Sheet Feeder General Information, SA24-4391. This manual describes the setup and use of the Auto Sheet Feeder with the 4232 Printer.

For safety information about the IBM 4230 and 4232 Printers, refer to:
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IBM 4230 and 4232 Printers Safety Information, SA40-0575.

For service information, refer to:

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About This Book xvii

·

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IBM 4230 and 4232 Printers Maintenance Analysis Procedures, SA40-0571. This manual is a guide for servicing the IBM 4230 and 4232 Printers. It is the primary maintenance tool for trouble analysis and repair of the 4230 and 4232 Printers. IBM 4230 and 4232 Printers Maintenance Information Manual, SA40-0572. This manual provides detailed maintenance procedures for the 4230 and 4232 Printers. IBM 4230 and 4232 Printers Illustrated Parts Catalog, SA40-0573. This parts catalog contains listings and illustrations of all replacement assemblies and detail parts for the 4230 and 4232 Printers. Binder for MAP, MIM, and Parts Catalog, SA40-0577. (One binder holds all 3 books)

4230 Models 101, 1S2, 201, 2S2, 4S3, and 5S3 only
For setup and operating information, refer to:
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IBM 4230 Printer Models 101, 1S2, 201, 2S2, 4S3, and 5S3 User's Guide, SA40-0593. This guide describes the operating procedures for the IBM 4230 Printer (with special emphasis on using the forms devices). IBM 4230 Printer Models 101, 1S2, 201, 2S2, 4S3, and 5S3 Operator Panel Instructions, SA40-0594. This manual describes how to operate the 4230 Printer control panel. IBM 4230 Printer Models 101, 1S2, and 4S3 Quick Reference Guide, SA40-0591. This card shows the key functions and the available configuration values and the process for setting them. IBM 4230 Printer Models 201, 2S2, and 5S3 Quick Reference Guide, SA40-0592. This card shows the key functions and the available configuration values and the process for setting them. IBM 4230 Printer Models 101, 1S2, 201, 2S2, 4S3, and 5S3 Product and Programming Description, GC40-0595. This manual describes the printer and programming functions specific to 4230 Printers that

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attach to the IBM 3270 Information Display System, the IBM System/36, and AS/400*.

4230 Models 102, 1I1, 202, 2I1, 4I3, and 5I3 only
For setup and operating information, refer to:
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IBM 4230 Printer Models 102, 1I1, 202, 2I1, 4I3, and 5I3 User's Guide, SA40-0564. This guide describes the operating procedures for the IBM 4230 Printer (with special emphasis on using the forms devices). IBM 4230 Printer Models 102, 1I1, 202, 2I1, 4I3, and 5I3 Operator Panel Instructions, SA40-0565. This manual describes how to operate the 4230 Printer control panel. IBM 4230 Printer Models 102, 1I1, and 4I3 Quick Reference Guide, SA40-0581. This card shows the key functions and the available configuration values and the process for setting them. IBM 4230 Printer Models 202, 2I1, and 5I3 Quick Reference Guide, SA40-0580. This card shows the key functions and the available configuration values and the process for setting them. IBM 4230 Printer Models 102, 1I1, 202, 2I2, 4I3, and 5I3 Product and Programming Description, GC40-1701. This manual describes the printer and programming functions specific to 4230 Printers that attach to the IBM 3270 Information Display System, the IBM System/36, and AS/400*.

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4232 Model 302 only
For setup and operating information, refer to:
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IBM 4232 Printer Model 302 User's Guide, SA24-4386. This guide describes the operating procedures for the IBM 4232 Printer (with special emphasis on using the forms devices).

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About This Book xix

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IBM 4232 Printer Model 302 Operator Panel Instructions, SA24-4387. This manual describes how to operate the 4232 Printer control panel. IBM 4232 Printer Model 302 Quick Reference Guide, SA24-4388. This card shows the key functions and the available configuration values and the process for setting them. IBM 4232 Printer Model 302 Product and Programming Description, GA24-4385. This manual describes the printer and programming functions specific to 4232 Printers that attach to the IBM 3270 Information Display System, the IBM System/36, and AS/400*.

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Enterprise System/9000* Publications
For information about attaching the printer to Enterprise System/9000, refer to:
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Enterprise System/9000 Models 120, 130, 150, 170: Customizing Your Work Station Subsystem, SA24-4226 Enterprise System/9000 Models 120, 130, 150, 170: Planning Your Work Station Subsystem, GA24-4223 Enterprise System/9000 Models 120, 130, 150, 170: Work Station Subsystem Description and Reference, SA24-4236.

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IBM 4230 and 4232 Printers Maintenance Information Manual

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Safety Information

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Safety Information
The construction of this machine provides extra protection against the risk of electric shock by grounding suitable metal parts. The extra protection may not function unless the power cord is connected to a properly grounded outlet. This machine has a grounding-type (3-wire) power cord because grounding is necessary. It is the responsibility of the customer or the person installing the machine to connect it to a properly grounded outlet. Seek professional assistance before using an adapter or extension cord; such a device could interrupt the grounding circuit. If this machine is connected to an outlet that has been incorrectly connected to the building wiring, serious electric shock could result. For continued protection against the risk of electric shock and personal injury:
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Connect the machine only to a properly grounded outlet of the correct voltage. The voltage your machine will accept is indicated on the machine. Ensure the machine is switched Off (O) before you connect or disconnect the power cord or other cables. If the machine has cables other than the power cord, you must connect them before you plug the power cord into an outlet. You must first unplug the power cord from the outlet when you remove the other cables. Do not use the machine in an area where it can become wet. Keep hair and personal articles away from moving parts in the machine to prevent them from getting caught. Refer service or repairs to qualified personnel.

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There may be some increased risks of electric shock and personal injury during disassembly and servicing of this machine. Professional service personnel should understand this and take necessary precautions. The safety features of some parts may not always be obvious. Therefore, replacement parts must have the same or equal characteristics as the original parts. The maintenance information for this machine has been written for the professional service person and is not intended to be used by others. This printer weighs approximately 20.4 kgs (45 lbs). Do not attempt to lift it by yourself.

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IBM 4230 and 4232 Printers Maintenance Information Manual

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Safety Inspection Procedure xxiii

Safety Inspection Procedure
Perform the following safety inspection when there is any reason to question the safety of a 4230 or 4232 Printer that is being decided on for an IBM maintenance agreement. If the inspection indicates that the safety level is unacceptable, it must be increased to an acceptable level before IBM service can be provided.

Getting Ready
Before doing the inspection procedures, ensure that the present conditions are safe, the printer is powered off, and all electrical power is removed at the power cord.

Safety Conditions
If present conditions are not safe, you must not continue with the inspection until you have corrected the problem. For example, the following conditions are not safe:
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Electrical: Missing ground strap from the power supply to the frame assembly (see "611 - Power Supply" on page 600-2). Mechanical: Any of the power supply installing screws missing (see "611 - Power Supply" on page 600-2). Rear shield not fastened (see "121 - Rear Shield" on page 100-10).

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You must correct any problem found in these areas before you continue with this inspection.

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Safety Education
Before doing the inspection procedures, you must have completed the Electrical Safety Training Course for IBM Service Representatives.

Performing the Inspection
IBM machines are designed and assembled with safety items installed to protect owners, operators, and service personnel from injury. This inspection identifies areas of the machine that may not be safe. Use good judgment to identify other safety conditions not covered by this guide. 1. Check the power cord for visible cracks, wear, or damage. 2. Ensure that the power cord has the correct power plug. 3. Check for 0.1 ohm (or less) of resistance between the power cord ground and the power supply frame. 4. Ensure that the safety ground screw and wire are connected as shown in "751 - Ground Wire" on page 750-1. 5. Check the inside of the printer for foreign materials. 6. Check all printer covers for loose or broken hinges and sharp edges. 7. Ensure that the power supply rivets have not been tampered with. 8. With the power switch Off (O), verify that the printer does not switch on power. 9. With the power switch On (|), verify that the printer powers on. 10. With the power switch On (|), verify that the printer powers off when the switch is switched Off (O).

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Safety Inspection Procedure xxv

11. Return the printer to the customer and inform the local branch office of the inspection results.

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IBM 4230 and 4232 Printers Maintenance Information Manual

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General Information

000-1

Section 000. General Information
001 - Printer Summary
The IBM 4230 and 4232 Printers are serial, impact wire-matrix, table-top printers with an integrated controller/processor. The IBM 4230 Printer prints bidirectionally at speeds of 75 to 600 characters per second (CPS), depending on the model and print quality setting. The IBM 4232 Printer prints bidirectionally at speeds of 100 to 600 characters per second (CPS), depending on the print quality setting.

Types of Printing
The IBM 4230 and 4232 Printers are for business or general purpose printing. They have four print qualities: Fast draft (FD) Fast draft print quality has a 9-high by 8-wide character box, with a maximum character height of 3.2 mm (0.126 in.). Data processing print quality has a 9-high by 10-wide character box, with a maximum character height of 3.2 mm (0.126 in.).

Data processing (DP)

Data processing text (DPT) Data processing text print quality has a 9-high by 20-wide character box, with a maximum character height of 3.2 mm (0.126 in.). It multiplies by two the dot density horizontally as compared to the DP quality. Near letter quality (NLQ) Near letter quality print has an 18-high by 20-wide character box, with a maximum character height of 3.8 mm (0.133 in.). It multiplies by two the dot density both

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000-2

horizontally and vertically as compared to DP quality. The IBM 4230 Printer models 102, 202, 1I1, 2I1, 4I3, 5I3, (Models 4S3 and 5S3 when using the Serial/Parallel attachment) and IBM 4232 Printer Model 302 can print:
· · · · · · · · · · · ·

OCR A OCR B Bar codes Oversized characters Rotated characters Graphics for business applications Forms User defined symbols Images Retained segments Overlays Word processing applications.

Character Spacing
The IBM 4230 and 4232 Printers provide character spacing at 10, 12, and 15 characters per inch (CPI) at all print quality levels. The printer also provides 16.7 CPI in FD and DP modes. 4230 Models 4I3, 4S3, 5I3, and 5S3 (when using the serial/parallel attachment) also provide 17.1 and 20 CPI in FD and DP modes. A 12 CPI proportionally spaced mode (PSM) approximates 11.5 CPI for DP Text and NLQ modes for 4230 Models 102, 202, 1I1, 2I1, 4I3, 5I3, (Models 4S3 and 5S3 when using the Serial/Parallel attachment), and 4232 Model 302. All character spacing is selectable. For 4230 Models 101, 102, 1I1, 1S2, 201, 202, 2I1, 2S2, and 4232 Model 302, the maximum print position (MPP) is for a 335.3 mm (13.2 in.) print line. The maximum values are:

IBM 4230 and 4232 Printers Maintenance Information Manual

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General Information

000-3

· · · · ·

132 at 10 CPI 158 at 12 CPI 198 at 15 CPI 220 at 16.7 CPI 151 with PSM, for 11.5 CPI average.

For 4230 Models 4I3 and 5I3, the maximum print position (MPP) is for a 345.44 mm (13.6 in.) print line. The maximum values are:
· · · · · · ·

136 at 10 CPI 163 at 12 CPI 204 at 15 CPI 227 at 16.7 CPI 232 at 17.1 CPI 272 at 20.0 CPI 156 with PSM, for 11.5 CPI average.

Line Spacing
The maximum page length (MPL) is the maximum length of the logical page in units of lines. All line spacing is selectable, as is the MPL.

4230 Models 102, 202, 1I1, 2I1, 4I3, 5I3, (Models 4S3 and 5S3 when using the Serial/Parallel attactment), and 4232 Model 302: These printers provide line spacing of 3, 4, 6, and 8 lines per inch
(LPI) or increments of 0.18 mm (1/144 in.) under program control. The operator panel provides a selection of 6 LPI or 8 LPI.

4230 Models 101, 201, 1S2, 2S2, and (Models 4S3 and 5S3 when using the Coaxial or Twinaxial attactment):These printers
provide line spacing of 3, 4, 6, and 8 LPI under program control (plus 9 LPI for Models 101 and 1S2). The operator panel provides a selection of 6 LPI or 8 LPI.

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Text Highlighting
The IBM 4230 Printer Models 102, 202,1I1, 2I1, 4I3, 5I3, and (Models 4S3 and 5S3 when using the Serial/Parallel attachment), and the IBM 4232 Printer Model 302 provide several modes of text highlighting. The modes are available in combination and for all print qualities and pitch, including PSM. 4230 Models 101, 201, 1S2, 2S2, and (Models 4S3 and 5S3 when using the Coaxial or Twinaxial attachment) provide underscore only. The following are the text highlighting modes: Bold Double Strike Bold highlighting repeats each dot in a character without affecting the number of CPI. Double strike highlighting prints the same character dot image on two passes. It does not change the dot image, but causes the ink density to be increased. Double high highlighting makes each character twice normal height by duplicating each dot option vertically and above the base line. The second dot is printed in the second dot options position above the original dot. For 4230 Models 102, 1I1, 201, 2I1, and (Models 4I3 and 5I3 when using the Coaxial or Twinaxial attachment), double high is available only in Intelligent Printer Data Stream (IPDS) with deferred (unordered) text. For 4230 Models 4I3, 5I3, 4S3, and 5S3 when using the Serial/Parallel attachment and for 4232 Model 302, double high printing is emulated by printing normal height characters at double high spacing. Double wide highlighting makes each character twice normal width by duplicating each dot option in the second dot option position after the original dot.

Double High

Double Wide

IBM 4230 and 4232 Printers Maintenance Information Manual

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General Information

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Overstrike

Overstrike highlighting lets any character be logically ORed into the dot image of other characters before the characters are printed. This function can generate adjacent dots. Underscore highlighting specifies that the bottom most alternate dots are to be logically ORed into the dot image of other characters before the characters are printed. This function generates adjacent dots for NLQ and may generate adjacent dots for FD, DP, or DPT. For 4230 Models 4I3, 5I3, 4S3, and 5S3 when using the Serial/Parallel attachment and for 4232 Model 302, overscore highlighting specifies characters to be overscored with a straight line above the characters. Italicize highlighting specifies that the character dot image is to be selectively shifted to the right on given rows of the dot image, without affecting the number of CPI. This function changes the dot image, but does not generate adjacent dots.

Underscore

Overscore

Italicize

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Advanced Printing Functions
The IBM 4230 Printer Models 102, 202, 1I1, 2I1, 4I3, 5I3, (Models 4S3 and 5S3 when using the Serial/Parallel attachment) and the IBM 4232 Printer Model 302 provide the following advanced data processing, word processing, and graphics functions: Overlays Overlays let you store an already defined page or part of a page in the printer memory to be merged with incoming host page data at a later time. For 4230 Models 4I3, 5I3, 4S3, and 5S3 when using the Serial/Parallel attachment and for 4232 Model 302, overlays are available in 4224 emulation mode. Page segments This function lets you store data streams in the printer memory to be invoked from the incoming host data. For 4230 Models 4I3, 5I3, 4S3, and 5S3 when using the Serial/Parallel attachment and for 4232 Model 302, page segments are available in 4224 emulation mode. Superscripting Superscripting uses NLQ vertical dot spacing in the upper area of the character box. Subscripting Subscripting uses NLQ vertical dot spacing in the lower area of the character box. Graphics Graphics ability includes a resolution of 144 x 144 dot positions per inch. High density graphics allows printing in every mode. High speed (low density) graphics reduces printing of adjacent dots horizontally. The 4230 Models 101, 201, 1S2, 2S2, and (Models 4S3 and 5S3 when using the coaxial or twinaxial attachment) can print graphics generated on the host computer at 100 x 72 dot positions per inch. For 4230 Models 4I3, 5I3, 4S3, and 5S3 when using the
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Serial/Parallel attachment and for 4232 Model 302, vector graphics are available in 4224 emulation mode. Graphics generated on the host computer can be printed at 60, 120, and 240x72 dot positions per inch. Stored images Non-coded information can be printed immediately or stored at the printer for later printing under data stream control. Host loadable symbols Host loadable symbols are applied against all available fonts. This function is available on 4230 Models 101, 201, 1S2, 2S2, (Models 4I3, 5I3, 4S3, and 5S3 when using the Serial/Parallel attachment), (Models 4S3 and 5S3 when using the Coaxial or the Twinaxial attachment) and on 4232 Model 302 in 4224 emulation mode. Bar codes (4230 Models 102, 202, 1I1, 2I1, 4I3, 5I3, and 4232 Model 302) The bar codes printed on the IBM 4230 and 4232 Printers are intended to be read with visible light and infrared readers (633 to 900 nanometer light sources). The printer cannot print bar codes with X dimensions less than 0.356 mm (0.014 in.) or with a dot to dot tolerance of less than ±0.076 mm (0.003 in.). All printing of bar codes should be tested for acceptability. The IBM 4230 and 4232 printers can print the following bar codes:
· · · · · · · ·

POSTNET Code 3 of 9 UPC A and E EAN 8 and 13 UPC/EAN Supplemental encoding (2 and 5 characters) Interleaved 2 of 5 Matrix 2 of 5, Industrial 2 of 5 MSI

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· ·

Code 128 Codabar.

The printer can generate the bar codes using the following options: Mode X dimension (narrow bar) Wide to narrow ratio Notes: 1. The following bar code options are not available in high speed mode with horizontal bar codes:
· ·

High contrast mode, high speed mode 0.014, 0.017, 0.021, 0.028 in. 2, 2.5, 3.

·

Unit module width of 0.533 mm (0.021 in.), all ratios Unit module width of 0.432 mm (0.017 in). with a ratio of 2.5:1. Unit module width of 0.356 mm (0.014 in.), with a ratio of 2.5:1.

2. Unit module width of 0.432 mm (0.017 in.) is not available with vertical bar codes. 3. Because of physical restrictions of the printer, the 2.5 wide to narrow ratio is 2.66 for a unit module width of 0.533 mm (0.021 in.). 4. All UPC and EAN bar codes are generated only with a unit module width of 0.356 mm (0.014 in.). 5. Postnet bar codes print only at a fixed width and height. Unit module width and wide-to-narrow ratio do not apply for Postnet bar codes. Large characters Character strings can generate large characters with the following capabilities:
·

NLQ font

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General Information

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· ·

·

Rotated 0, 90, 180, 270 degrees Four directions: left to right, top to bottom, right to left, bottom to top Number magnification.

The large character generation algorithms for high speed graphics generate characters that are of lower density in the horizontal direction. For 4230 Models 4I3, 5I3, 4S3, and 5S3 when using the serial/parallel attachment and 4232 Model 302, large characters are available in 4224 emulation mode. OCR A and B The IBM 4230 Printer Models 101, 1I1, 102, 1S2, 201, 2I1, 202, 2S2, and (Models 4I3, 5I3, 4S3, and 5S3 when using the coaxial or the twinaxial attachment) can print the following OCR fonts:
· · · ·

OCR A code page 340 (EBCDIC), character set 968 OCR A code page 892 (EBCDIC), character set 968 OCR B code page 340 (EBCDIC), character set 969 OCR B code page 893 (EBCDIC), character set 969.

4230 Models 4I3, 5I3, 4S3, and 5S3 when using the serial/parallel attachment and the 4232 Model 302 Printers can print the following OCR fonts:
· ·

OCR A code page 876 (ASCII), character set 968 OCR B code page 877 (ASCII), character set 969.

Printer Service
The ribbon cartridge is the only customer-replaceable unit (CRU). Service for this assembly is not covered by the IBM Maintenance Agreement. See "810 - Ribbon Cartridge" on page 800-1 for more information about the ribbon cartridge.

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Forms Devices
The printer can use one of four forms-handling devices. They are: Continuous Forms Device (F1) For high performance continuous forms feeding Dual Purpose Forms Device (F2) For continuous forms and document on demand feeding Document Insertion Device (F3) For manual cut forms feeding Auto Sheet Feeder Device (F4) For automatic cut forms feeding. The customer can remove and install each device ("821 - Forms Device Removal" on page 800-7) and ("822 - Forms Device Configuration" on page 800-7). The IBM Maintenance Agreement covers all forms-handling devices as part of the base machine.

Printer Electronics
The electronics are contained in the power supply, operator panel, and printer logic board. For the IBM 4230 (Models 102, 1I1, 202, 2I1, 101, 1S2, 201, 2S2, 4I3, 4S3, 5I3, and 5S3), the logic board connects to the coaxial or twinaxial attachment bezel by a cable. For 4230 Models 4I3, 5I3, 4S3, 5S3, and 4232 Model 302, a separate serial/parallel attachment card connects to the extended memory connector on the logic board. 4230 Models 4I3, 4S3, 5I3, and 5S3 have both attachment connections.

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Model Identification
The model name defines the system attachment and maximum burst speed: 4230 Model 102 1I1 202 2I1 101 1S2 201 2S2 4I3 5I3 4S3 5S3 4232 Model 302 Definition 480 CPS, IPDS, Twinaxial 375 CPS, IPDS, Twinaxial 480 CPS, IPDS, Coaxial 375 CPS, IPDS, Coaxial 375 CPS, Non-IPDS, Twinaxial 480 CPS, Non-IPDS, Twinaxial 375 CPS, Non-IPDS, Coaxial 480 CPS, Non-IPDS, Coaxial 600 CPS, PPDS, Serial/Parallel, IPDS, Twinaxial 600 CPS, PPDS, Serial/Parallel, IPDS, Coaxial 600 CPS, PPDS, Serial/Parallel, Non-IPDS, Twinaxial 600 CPS, PPDS, Serial/Parallel, Non-IPDS, Coaxial Definition 600 CPS, PPDS, Serial/Parallel

003 - Control and Data Flow Description
Figure 1 on page 000-12 shows the basic data flow paths for the IBM 4230 and 4232 Printers.

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Figure 1. Basic Data Flow Paths for the 4230 and 4232 Printers

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005 - Power-On Self Test (POST)
When power is supplied to the control card, the power-on self test (POST) starts. The panel displays the message

until initial communications between the panel processor and the printer are complete. If any errors are found during this phase of diagnostics, the printer displays an error code. Once these are complete, the printer displays the following to indicate that the next level of diagnostics is to be run: DIAGNOSTICS IN PROGRESS < A >

The mechanism tests are run while the printer displays the diagnostics message. The print head moves to the right approximately 25.4 mm (1 in.), then moves to the left side frame. The print head then moves to the right side frame to verify that there are no physical obstructions. One line of blank characters prints from position 55 to 60 at the highest speed. The print head then returns to the home position. Once all internal printer diagnostic tests have been completed, and before control passes to the attachment, the printer displays the following for two seconds: DIAGNOSTICS COMPLETE < A >

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000-14

If there are no forms at the platen the printer displays the following for two seconds: CALIBRATING PRINTER PLEASE WAIT < A >

If all tests are successful, the controller card becomes online ready, the Ready indicator goes on and displays the following: READY < A >

If the Auto Sheet Feeder operation is enabled, the printer performs an automatic forms eject. Note: The printer can display an error message if no forms are loaded or if the host cable is not connected.

010 - Operator Panel
The operator panel consists of:
·

· ·

Six light emitting diode (LED) indicators, known as the Operator Panel Indicators 16 keys A two-line by 40-character alphanumeric liquid crystal display (LCD), known as the Operator Panel Display. Figure 2 on page 000-15 shows the operator panel for 4230 Models 101, 102, 1I1, 1S2, 4I3, and 4S3. Figure 3 on page 000-15 shows the operator panel for 4230 Models 201, 202, 2I1, and 2S2. Figure 4 on page 000-16 shows the operator panel for 4230 Models 5I3 and 5S3. Figure 5 on page 000-16 shows the operator panel for the 4232 Model 302.

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Figure 2. Operator Panel: 4230 Models 101, 102, 1I1, and 1S2 (Twinax)

Figure 3. Operator Panel: 4230 Models 201, 202, 2I1, and 2S2 (Coax)

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Figure 4. Operator Panel: 4230 Models 5I3 and 5S3 (Coax)

Figure 5. Operator Panel: 4230 Models 4I3, 4S3, and 4232 Model 302 (Serial/Parallel)

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011 - Indicators
This section describes the following indicators on the operator panel:
· · · ·

· · ·

Power Ready Format (4230 Models 201, 202, 2I1, 2S2, 5I3, and 5S3) Online (4230 Models 101, 102, 1I1, 1S2 4I3, 4S3, and 4232 Model 302) Processing Attention Unit Check.

Power Indicator
The green Power indicator has two operating conditions: On Off The printer has power. The printer has no power.

The Power indicator goes on when the power switch is On (|).

Ready Indicator
The green Ready indicator has two operating conditions: On Off The printer is ready (can print). The printer is not ready (cannot print).

The Ready indicator goes on for any of the following conditions:
· ·

A successful power-on sequence Pressing the Start key after the indicator was switched off depending on one of the following: - An error condition (if the error is corrected) - An intervention-required condition - Pressing the Stop key.

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The Ready indicator is switched off for any of the following conditions:
· · ·

Pressing the Stop key Detection of an intervention-required condition Detection of a printer error.

When the Ready indicator is off, the printer can receive data but not process it.

Format Indicator (4230 Models 201,202, 2I1, 2S2, 5I3, and 5S3)
Note: For 4230 Models 5I3 and 5S3, the Format indicator is used when the Coaxial attachment is active. The Format indicator serves as the Online indicator when the Serial/Parallel attachment is active. The green Format indicator has two operating conditions: On The Cancel Print, PA1, and PA2 keys are active (for the SCS data stream), or the Cancel Print key is active (for the IPDS stream). The PA1 and PA2 keys are not active, and the Cancel Print key is active only in Test mode.

Off

Online Indicator (4230 Models 101, 102, 1I1, 1S2, 4I3, 4S3, and 4232 Model 302)
Note: For 4230 Models 5I3 and 5S3, the Online indicator serves as the Format indicator when the Coaxial attachment is active. The green Online indicator has two operating conditions: On Off The printer is in communication with the host. The printer is not in communication with the host.

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Processing Indicator
The green Processing indicator has three operating conditions: On Off Blinking The printer is receiving, processing, or printing data. There is no data to be processed and no data in the printer buffer. The printer buffer contains data but cannot immediately print it.

Attention Indicator
The yellow Attention indicator has two operating conditions: Off Blinking The printer has detected no condition that requires operator intervention. The printer requires immediate operator intervention.

Conditions that require operator intervention cause the printer to be not ready (the Ready indicator is off) and require the operator to perform a task such as adding paper to a supply or clearing a jam. The Attention indicator is always joined by a short description of the condition on the Operator Panel Display. If the alarm is not disabled, it beeps when the Attention indicator blinks. Pressing the Stop will switch off the Attention indicator. The indicated condition, however, may still exist and will be detected when the Start key is pressed.

Unit Check Indicator
The yellow Unit Check indicator has two operating conditions: Off Blinking The printer has no printer errors. A printer error has occurred.

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Printer errors usually require that the printer be reset, or switched off and then back on. The printer records each printer error in an error log that you can access for help in isolating printer failures ("Error Log" on page 000-66). The Unit Check indicator is always joined by a short description of the error condition on the Operator Panel Display. If the alarm is not disabled, it beeps when the Unit Check indicator blinks. Pressing the Stop key will switch off the Unit Check indicator. The indicated condition may remain and will be detected when the error is found again.

012 - The Display
The Operator Panel Display contains two lines of 40 characters each. The display does the following:
· · · · ·

Displays warning conditions Identifies specific conditions requiring operator intervention Identifies specific error conditions detected by the printer Identifies printer status Displays Configuration Menu parameters for review, selection, and change Displays a selection of diagnostic tests. Displays the currently selected custom set.

· ·

Multiple printer conditions may try to use of the display at the same time. The printer prioritizes its display usage by the severity of the condition and whether the printer is ready or not ready, or online or offline. The following are the general rules for the usage priorities:

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·

The highest priority condition for the existing ready/not ready status takes control of the display and writes over what, if anything, is displayed. If the printer changes between ready and not ready, or online and offline, the highest priority condition for the new status takes control of the display. If the Menu or Test key is pressed, those menus write over any existing messages but do not affect the status of the indicators.

·

·

The following list shows the priority order for printer conditions that use the display when the Ready indicator is off (highest priority first): 1. Configuration options (when in Configuration mode) or Test options (when in Test mode) 2. Printer error (Unit Check indicator is blinking) 3. Supplies intervention required (Attention indicator is blinking) 4. Communication checks (Attention indicator is blinking) a. 4230 Models 201, 2I1, 202, 2S2, 5I3, and 5S3 b. 4230 Models 4I3 and 4S3 when the Serial/Parallel attachment is active c. 4232 Model 302 5. Host requests attention (Attention indicator is blinking) a. 4230 Models 201, 2I1, 202, 2S2, 5I3, and 5S3 b. 4230 Models 4I3 and 4S3 when the Serial/Parallel attachment is active c. 4232 Model 302 6. Test options (when in a Test mode) 7. Cancel or PA function active, buffer reprint or hex print active, and printer in send status a. 4230 Models 201, 2I1, 202, 2S2, 5I3, and 5S3 b. 4230 Models 4I3 and 4S3 when the Serial/Parallel attachment is active 8. Printer Address during power-on reset (POR) warm-up cycle - 4230 Models 101, 102, 1I1, 1S2, 4I3, and 4S3

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9. Normal (not ready) 10. POR messages (displayed during power-on reset warm-up cycle). The following list shows the priority order for printer conditions that use the display when the Ready indicator is on (highest priority first): 1. Configuration options (when in Configuration mode) or Test options (when in Test mode) 2. Communication checks (Attention indicator is blinking) a. 4230 Models 201, 2I1, 202, 2S2, 5I3, and 5S3 b. 4230 Models 4I3 and 4S3 when the serial/parallel attachment is active c. 4232 Model 302. 3. Host requests attention (Attention indicator is blinking) a. 4230 Models 201, 2I1, 202, 2S2, 5I3, and 5S3 b. 4230 Models 4I3 and 4S3 when the serial/parallel attachment is active c. 4232 Model 302. 4. Cancel or PA function active, buffer reprint or hex print active, and printer in send status a. 4230 Models 201, 2I1, 202, 2S2, 5I3, and 5S3 b. 4230 Models 4I3 and 4S3 when the serial/parallel attachment is active. 5. Normal operating messages (READY or information messages).

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013 - The Keys
The operator panel has the following keys:
· · · · · · · · · · · · · · ·

· ·

· ·

Start Stop Line Feed Load/Eject Form Feed Set Top of Form Micro /Scroll Micro /Scroll Darker/Enter Lighter/Return Menu Quick Reference Cancel Print Test Hex Print 1. 4230 Models 101, 102, 1I2, 1S2, 4I3, 4S3 2. 4230 Models 5I3 and 5S3 when the serial/parallel attachment is active 3. 4232 Model 302. Display Address (4230 Models 101, 102, 1I1, 1S2, 4I3, and 4S3) Display Interface 1. 4232 Model 302 2. 4230 Models 4I3, 4S3, 5I3, and 5S3. PA1 (4230 Models 201, 202, 2I1, 2S2, 5I3, and 5S3) PA2 (4230 Models 201, 202, 2I1, 2S2, 5I3, and 5S3).

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Start Key
Pressing the green Start key:
·

Makes the printer ready. The Ready indicator goes on or blinks if data is ready to print. The printer displays a ready message. Starts the printer printing if no error conditions appear in the display and if the computer is sending data to be printed. Starts a test when the printer is in Test mode. If in Configuration mode, exits that mode with changes saved and makes the printer ready.

·

· ·

Stop Key
Pressing the yellow Stop key:
· · · ·

Stops printing when possible without losing print data. Stops the printer from printing a test if the printer is in Test mode. Stops the printer alarm (if beeping). Clears error codes and status codes from the display, switches off the alarm if it is set to beep, and makes the printer not ready. Switches off the Ready indicator unless data is in the printer, in which case the Ready indicator blinks.

·

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·

4230 Models 201, 202, 2I1, 2S2, and Models 5I3 and 5S3 when the Coaxial attachment is active - Starts a 10 minute timer. If the printer is still not ready after 10 minutes has elapsed, the Unit Check indicator goes on, the alarm starts to beep (if not disabled), and the printer displays 008 HOLD PRINT TIMEOUT PRESS START This timeout feature can be disabled in the Configuration Menu.

·

(F3 or F4 forms device) Starts a forms thickness adjustment.

The Stop key has no function while in Configuration mode and is read as a not valid key press. The Stop key also has no function while in Operator or CE Test modes before running a test (unless an error condition exists). The Offline CE Test Menu, however, can be left by pressing Test and Quick Reference at the same time, and then pressing Stop.

Line Feed Key
Pressing the blue Line Feed key:
·

Advances the print forms 4.23 mm (1/6 in.) without regarding the LPI setting Advances the print forms continuously by 4.23 mm (1/6 in.) if the key is held down.

·

The Line Feed key is active only when the printer is not ready. The key provides a coarse adjustment for aligning the paper vertically (use the Micro key for fine adjustment). The printer remembers the adjustment until a new top of form position is set.

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Load/Eject Key
The blue Load/Eject key is active for each paper feed source:

F1 Forms Device For Loading: This key is not suitable. For Ejecting: Pressing the Load/Eject key ejects remaining forms from the printer when at the end of forms. Pressing Stop to clear an error and then pressing Load/Eject ejects all remaining forms. F2 Forms Device For Loading: The Auto Top of Form/Autoload Assist function is active. Once the forms are loaded under the forms sensor and on the tractors at the bottom of the forms device, pressing the Load/Eject key automatically loads the forms to a standard top of form position. Use the Micro and Micro keys to align the top of form position as needed. This new position is stored by the printer. For Ejecting: The eject function is controlled by your selection (either Immediate or Delayed) for F2 Eject Mode in the Configuration Menu:
·

In the Immediate mode, pressing Load/Eject causes the form to immediately advance a fixed distance to a tear-off bar and causes the printer to be not ready. In the Delayed mode, pressing Load/Eject causes the form to advance a fixed distance to a tear off bar when a page boundary is reached during printing and causes the printer to be not ready.

·

Pressing Load/Eject while the printer is ready causes one of the previous actions to occur, depending on your selection for F2 Eject Mode. The form may then be removed or inspected for registration.

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Use the Micro and Micro keys to align the tear-off position, when ejected, as needed. This new position is stored by the printer. The printer ignores all Start key presses until Load/Eject is pressed a second time. Pressing Load/Eject a second time causes the paper motion to reverse and the forms to move back to the previous position. The printer returns to ready, unless an error condition is detected. The Load/Eject key can also be used to eject the remaining forms from the printer when at the end of forms.

F3 Forms Device For Loading: When a form is inserted in the printer, pressing the
Load/Eject key causes the form to advance to the top of form position. The printer becomes ready, unless an error is detected.

For Ejecting: Pressing the Load/Eject key causes the printer to eject the form from the printer and causes the printer to be not ready. F4 Forms Device For Loading: The Load/Eject key will not work with the F4 device. For Ejecting: The Load/Eject key is active only when the printer is ready. If a form is loaded, pressing Load/Eject causes the printer to perform the eject function. If no paper is present, pressing the key causes the printer to attempt a paper eject.

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Form Feed Key
Pressing the blue Form Feed key moves the forms forward so that the next form is located at the top of form position, providing that the form's length has been set. The Form Feed key is active only when the F1 or F2 forms devices are selected. The key is inactive when the F3 forms device is selected. With the Configuration Menu, you can set the Form Feed function to be active only in the online not ready status, or in both the online not ready and online ready statuses. If the F4 forms device is selected, pressing Form Feed displays the source bin for the next sheet to be loaded if data is in the printer. If no data is in the printer (the Processing indicator is off), the display reflects the last active bin selected.

Set Top of Form Key
Pressing the blue Set Top of Form key sets the existing position of the print head as the top of form position. This key is active only when the printer is not ready. The alarm beeps once when the top of form position is set, even if the alarm has been disabled in the Configuration Menu setting. A form feed causes the paper to move to the top of form position, providing that the form length has been set.

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Micro /Scroll Key
The blue Micro /Scroll key has two functions, depending on whether the printer is not ready, or in Configuration or Test mode:

Printer Not Ready: When the printer is not ready, the Micro key
advances the forms one increment (0.35 mm, 1/72 in.). Holding the key down advances the forms continuously by 0.35 mm (1/72 in.) increments. The Micro key performs the same function as the Line Feed key. The printer remembers the adjustment set by the Micro key until a new top of form position is set.

Configuration or Test Mode: When the printer is in Configuration or
Test mode, the Scroll key scrolls through options in a selected parameter or Test menu. Scroll cycles up through the option list (from the last to the first item in the list). If you reach the first item in the list, pressing the Scroll key will scroll to the last item in the list. Pressing Scroll once displays the previous item in the list. Holding the key down causes the display to cycle up through the option list until the key is released.

Micro /Scroll Key
The blue Micro /Scroll key has two functions, depending on whether the printer is not ready, or in Configuration or Test mode:

Printer Not Ready: When the printer is not ready, the Micro key
moves the forms down into the printer one increment (0.35 mm, 1/72 in.). If the F2 device is selected, holding the key down moves the forms down continuously by 0.35 mm (1/72 in.) increments. The key is not typematic for the other forms devices.

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The printer remembers the adjustment set by the Micro key until a new top of form position is set.

Configuration or Test Mode: When the printer is in Configuration or
Test mode, the Scroll key scrolls through options in a selected parameter or Test menu. Scroll cycles down through the option list (from the first to the last item in the list). If you reach the last item in the list, pressing the Scroll will scroll to the first item in the list. Pressing Scroll once displays the next item in the list. Holding the key down causes the display to cycle down through the option list until the key is released.

Darker/Enter Key
The blue Darker/Enter key has two functions, depending on whether the printer is ready, or in Configuration or Test mode:

Printer Ready: When the printer is ready, the Darker key moves the print head closer to the platen, decreasing the Forms Thickness Setting. The print becomes darker because there is more force on the ribbon when it is pressed against the paper.
Note: The print may not get darker if the ribbon is worn or if there is a problem with the print head. The Darker and Lighter keys are not functional until the first line is printed. Pressing the key makes the print darker and displays the new setting in the Operator Panel Display. The gap between the print head and the platen is decreased by 0.0127 mm (0.0005 inch) for forms less than 0.254 mm (0.010 inch) thickness or by 0.025 mm (0.001 inch) for forms greater than or equal to 0.25 mm (0.010 inch) thick for each press of the Darker key. The adjustment value is indicated by a bar graph on the display.

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The range of adjustment to the forms thickness setting is 0.1143 mm (0.0045 inch.) in either the lighter or darker direction for forms less than 0.254 mm (0.010 inch) thickness. For forms greater than or equal to 0.254 mm (0.010 inch) the range is 0.229 mm (0.009 inch) in either direction. If you reach either limit, the printer displays a message informing you the limit is reached. The printer stores the adjustments made with this key. If the gap is adjusted to anything other than the default density the automatically calculated value is saved and becomes the Reference Forms Thickness. If the Forms Thickness Setting is changed again, the automatically calculated value for the forms in the printer at that time becomes the new Reference Forms Thickness.

Configuration or Test Mode: When the printer is in Configuration
mode, the Enter key selects menu options. When the operator has scrolled through the display so that the desired menu setting, parameter, or value is displayed on the second line of the Operator Panel Display, pressing Enter causes the selection to be accepted and the display to be updated. When the printer is in Test mode, the Enter key runs a selected test. When the operator has selected a test to be run, pressing Enter causes the test to run and the printer to return to the test selection menu. (The Start key also runs tests.)

Lighter/Return Key
The blue Lighter/Return key has two functions, depending on whether the printer is ready, or in Configuration or Test mode:

Printer Ready: When the printer is ready, the Lighter key moves the print head farther from the platen, increasing the Forms Thickness Setting. The print becomes lighter because there is less force on the ribbon when it is pressed against the paper.

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Pressing the key makes the print lighter and displays the new setting in the Operator Panel Display. The gap between the print head and the platen is increased by 0.0127 mm (0.0005 inch) for forms less than 0.254 mm (0.010 inch) thickness or by 0.025 mm (0.001 inch) for forms greater than or equal to 0.25 mm (0.010 inch) thick for each press of the Lighter key. The adjustment value is indicated by a bar graph on the display. The range of adjustment to the forms thickness setting is 0.1143 mm (0.0045 inch.) in either the lighter or darker direction for forms less than 0.254 mm (0.010 inch) thickness. For forms greater than or equal to 0.254 mm (0.010 inch) the range is 0.229 mm (0.009 inch) in either direction. If you reach either limit, the printer displays a message informing you the limit is reached. The printer stores the adjustments made with this key. If the gap is adjusted to anything other than the default density, the automatically calculated value is saved and becomes the Reference Forms Thickness. If the Forms Thickness Setting is changed again, the automatically calculated value for the forms in the printer at that time becomes the new Reference Forms Thickness.

Configuration or Test Mode: When the printer is in Configuration
mode, the Return key moves to the previous level of the Configuration Menu. At any point in the parameter update sequence, pressing Return causes the printer to return to the previous level of the sequence without updating any value that was not saved with the Enter key. Pressing Return at the highest level of the Configuration Menu returns the printer to not ready with the entered changes saved. When the printer is in Test mode before performing a test, pressing the Return key returns the printer to the not ready status that existed before the Test key was pressed. Return is not active while any test is running.

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Menu Key
Pressing the black Menu key displays the Configuration Menu for selecting or changing the parameter values. The printer becomes offline not ready, enters Configuration mode, and displays the menu heading on the first line and the first Configuration Menu on the second line. Entering Configuration mode activates the following keys:
· · · ·

Enter Return Scroll Scroll

The Start and Quick Reference keys also remain active.

Quick Reference Key
Pressing the blue Quick Reference key lets you print help information. The Quick Reference function is available when the printer is:
· · ·

Online and no print job is in process In Configuration mode In Operator Test mode with no test occurring.

The Quick Reference function is not available from the Offline CE Test Menu. After the first key press, the printer displays a message asking for verification of the Quick Reference request. The second key press prints information about the operator panel keys and lists the Configuration Menu on the forms in the printer. When the printer completes printing the help information, it becomes not ready. You can stop printing by pressing Stop or Cancel Print.

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Cancel Print Key
Pressing the blue Cancel Print key has two functions, depending on whether the printer is online or in Test mode:

Online: If the printer is online, pressing the Cancel Print key cancels
the existing print request. The printer asks for verification before sending the command to the host. The host usually responds with a command to clear all print data. For 4230 Models 101, 102, 1I1, 1S2, and Models 4I3 and 4S3 when the Twinaxial attachment is active the Cancel Print key is active when the printer is ready or not ready. For 4230 Models 201, 202, 2I1, 2S2, and Models 5I3 and 5S3 when the Coaxial attachment is active the Cancel Print key is active only when the printer is not ready. After pressing Cancel Print, press Start to process the request. Pressing Cancel Print instead of Start makes the printer not ready, canceling the cancel request. For 4230 Models 4I3, 4S3, 5I3, and 5S3 when the Serial/Parallel attachment is active and for 4232 Model 302, the Cancel Print key clears buffered data without host intervention.

Test Mode: If the printer is in Test mode (offline), pressing Cancel
Print causes the printer to leave the Test mode, perform a partial reset, and become online ready.

Test Key
Pressing the blue Test key when the printer is online not ready causes the printer to become offline not ready and to enter the Test mode. The printer displays a menu heading on the first line of the display and the name of the first test on the second line. Entering Test mode activates the following keys:
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· · · ·

Return Stop Scroll Scroll

The Start key also remains active to start executing the tests. Enter remains active to make the selections in some of the Operator Print and Offline CE t