Oki OL830Plus free download

File name Okidata OL 830 plus, 850 Service Manual.pdf

Page: 1 Service Guide OL830Plus/OL850 Chapter 0 About This Manual OL830Plus // OL850 LED Page Printers Adobe Acrobat printable reference copy of the OKIDATA Service Training Manual. 09/17/97 Note: This Adobe Acrobat version of the Okidata Service Training Manual was built with the pictures rendered at 300 dpi, which is ideal for printing, but does not view on most displays well. Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com) Table of Contents Page Service Guide OL830Plus/OL850 0 About This Manual Front Cover Manual Copyright 1 Product Specifications 1.1 General Description 1.2 Specifications 1.3 Paper Specifications 1.4 Physical Specifications 1.5 Power Requirements 1.6 Environmental Conditions 1.7 Agency Approvals 1.8 Options 1.9 Memory Specifications 1.10 Consumables 1.11 Printer Reliability 2 Principles of Operation 2.1 Principles of Operation - Printer Overview 2.2 Control Unit (CU) ...2.2.01 Main Controller Board Overview ...2.2.02 Main Controller Board Functions ...2.2.03 Optional Extended RAM Board (REXM) ...2.2.04 Font Card 2.3 Printer Unit (PU) ...2.3.01 Engine Board Controller (LLAT) ...2.3.02 Engine Controller Board Operations ...2.3.03 EEPROM Operation ...2.3.04 Power Supply Unit ...2.3.05 Fuser Unit ...2.3.06 Main Motor (Drum Motor) ...2.3.07 LED Array ...2.3.08 Resist Motor ...2.3.09 DC Fan ...2.3.10 Operation Panel ...2.3.11 Second Paper Tray Mechanism 2.4 Mechanical Operation Description ...2.4.02 OL830-Plus/850 Printing Process ...2.4.03 Process Descriptions 2.5 Sensors And Switches ...2.5.02 Sensor Functions 3 Maintenance & Disassembly 3.1 Maintenance - General Information ...3.1.02 Maintenance Tools 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 Table of Contents ...3.1.03 Maintenance Precautions 3.2 Disassembly/Assembly Procedures - General Information ...3.2.01 Preliminary Items ...3.2.02 Upper Cover ...3.2.03 Stacker Open Switch Assembly ...3.2.04 LED Head ...3.2.05 RS232 Interface Board (APSR) ...3.2.06 RAM Expansion Circuit Board (REXM) Option ...3.2.07 Emulation Board (APSH) ...3.2.08 Main Controller Board (APSM) ...3.2.09 Engine Controller Board (LLAT) ...3.2.10 Pulse Motor (Main) ...3.2.11 Idle Gear A, Idle Gear B, and Speed Reduction Gear ...3.2.12 DC Fan Assembly ...3.2.13 Power Supply Unit ...3.2.14 Cover Open Microswitch Assembly ...3.2.15 Paper Eject Roller Assembly ...3.2.16 Paper Eject Sensor Lever and Rollers ...3.2.17 Upper Unit ...3.2.18 Cover Open Switch Actuator ...3.2.19 Paper Eject Sensor Levers B and C ...3.2.20 Fusing Unit ...3.2.21 Metal Pressure Roller Assembly ...3.2.22 Resist Sensor Lever and Toner Sensor Lever ...3.2.23 Lock Lever Assembly ...3.2.24 LED Head Holder ...3.2.25 LED Holder Ground Plate ...3.2.26 Back-up Roller Assembly ...3.2.27 Transfer Cha