Oki OL400 free download

File name Okidata OL 400, 800, 820, 830, 840 Service Manual.pdf

Page: 1 Service Guide OL400 Chapter 0 About This Manual OL400 / 800 / 820 / 830 / 840 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 OL400 0 About This Manual Front Cover Copyright & Manual Revision Part Number 1 Product Specifications 1.1 Overview 1.2 Physical Specifications 1.3 Print Specifications 1.4 Paper Specifications 1.5 Power Requirements 1.8 Options 1.9 Consumables 1.10 Reliability Data 2 Principles of Operation 2.1 Printer Overview 2.2 Main Control Function ...2.2.02 Centronics Parallel Interface ...2.2.03 RS-232C Serial Interface ...2.2.04 Optional Font Card ...2.2.05 Optional RAM Board / IC Set 2.3 Printer Control Function ...2.3.02 Operation Panel ...2.3.03 Engine Board ...2.3.04 Power Supply Unit ...2.3.05 Fuser Unit ...2.3.06 Main Motor (Drum Motor) ...2.3.07 LED Head ...2.3.08 Resist Motor ...2.3.09 DC Fan 2.4 Mechanical Operation Description ...2.4.02 OL400 Printing Process ...2.4.03 Process Descriptions 2.5 Sensors And Switches ...2.5.01 Sensors and Switches ...2.5.02 Sensor Functions 3 Maintenance & Disassembly 3.1 Maintenance ...3.1.02 Maintenance Tools ...3.1.03 Maintenance Precautions 3.2 Disassembly/Assembly Procedures ...3.2.01 Upper Cover ...3.2.02 LED Head 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 ...3.2.03 Interface Board ...3.2.04 RAM Board (Option) ...3.2.05 Main Controller Board ...3.2.06 Engine Controller Circuit Board (LLAB) ...3.2.07 Main Motor ...3.2.08 DC Fan Assembly ...3.2.09 Idle Gears "A" and "B", and the Reduction Gear ...3.2.10 Power Supply Unit ...3.2.11 Upper Unit ...3.2.12 Fusing Unit ...3.2.13 Backup Roller ...3.2.14 Transfer Charger Assembly ...3.2.15 Resist Roller Assembly ...3.2.16 Idle Gear C ...3.2.17 Paper Supply Unit ...3.2.18 Resist Motor ...3.2.19 Engine Connection Board ...3.2.20 Hopping Roller ...3.2.21 Separator ...3.2.22 Ozone Filter 3.3 Adjustments And Service Checks ...3.3.02 Actual Page Count ...3.3.03 Modified Page Count ...3.3.04 Vertical Print Start Position Adjustment ...3.3.05 Setting the LED Head Drive Time ...3.3.06 Voltage Adjustment (+5 vdc) ...3.3.07 Darkness Control 3.4 Cleaning 4 Failure & Repair Analysis 4.1 Overview 4.2 Troubleshooting Updates 4.3 Reporting Problems 4.4 Troubleshooting Tips 4.5 Fault Alarms ...4.5.02 Error Messages Table ...4.5.03 Output SamplesTitle of Section 4.6 Repair Analysis Procedures ...4.6.02 RAP Index ...RAP 01 Printer Does Not Initialize ...