Oki OL800 free download

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

Page: 1 Service Guide OL800 / OL820 Chapter 0 About This Manual OL800 // OL820 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 OL800 / OL820 0 About This Manual Front Cover Copyright Manual Part Number and Revision 1 Product Specifications 1.1 Overview 1.2 Print Specifications 1.3 Physical Specifications 1.4 Power Requirements 1.5 Paper Specifications 1.6 Environmental Conditions 1.7 Agency Approvals 1.8 Options ...1.8.01 RAM Expansion Board ...1.8.02 RAM Expansion Chip Set ...1.8.03 Font ROM Cards ...1.8.04 Paper Trays ...1.8.05 Multiport Interface Boards ...1.8.06 Second Paper Feed Mechanism ...1.8.07 OkiXpress 1.9 Consumables 1.10 Reliability Data 2 Principles of Operation 2.1 Printer Overview 2.2 Main Control Unit ...2.2.01 Main Control Board (CTLZ) ...2.2.02 Program Cartridge Board (PRGZ) ...2.2.03 Font Card Board (CMBZ) ...2.2.04 Program Cartridge Connection Board (LNKZ) ...2.2.05 Extended RAM Board (MEMZ) (Option) ...2.2.06 Multi-Port Centronics Parallel Interface Board (CMIZ) (Option) ...2.2.07 Multi-port RS232-C Serial Interface Board (RMIZ) (Option) ...2.2.08 Font Card (Option) ...2.2.09 OL820 Board (OkiXpress Upgrade) 2.3 Printer Control Unit ...2.3.02 Engine Board (LLAB-2) ...2.3.03 Power Supply Unit ...2.3.04 Fuser Unit ...2.3.05 Main Motor (Drum Motor) ...2.3.06 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 Table of Contents ...2.3.07 Resist Motor ...2.3.08 DC Fan ...2.3.09 Operation Panel ...2.3.10 Second Paper Tray Mechanism (Option) 2.4 Mechanical Operation Description ...2.4.03 Process Descriptions 2.5 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 ...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 P