Oki ML393Plus, ML393C Plus Series free download

File name Okidata - ML393Plus, ML393C Plus Series Service Manual.pdf

Page: 1 Service Guide ML393/ML393CPlus Chapter 0 About This Manual ML393Plus // ML393C Plus Dot Matrix 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 ML393/ML393CPlus 0 About This Manual Front Cover Copyright 1 Specifications 1.1 Overview - General Information/Specifications 1.2 Physical Specifications 1.3 Power Requirements 1.4 Environmental Conditions 1.5 Agency Approvals 1.6 Operational Specifications - Character Matrix Sizes ...1.6.02 Characters Per Line ...1.6.03 Character Pitches ...1.6.04 Character Sets ...1.6.05 Emulations ...1.6.06 Fonts ...1.6.07 Front Panel Switches ...1.6.08 Graphics Resolution ...1.6.09 Interface ...1.6.10 Line Feed Increments ...1.6.11 Line Feed Time ...1.6.12 Menu Mode ...1.6.13 Paper Feed Methods ...1.6.14 Paper Feed Paths ...1.6.15 Paper Loading ...1.6.16 Paper Out Detection ...1.6.17 Paper Tear Capabilities ...1.6.18 Print Method ...1.6.19 Print Modes ...1.6.20 Print Speed 1.7 Paper Specifications 1.8 Memory Specifications 1.9 Consumables 1.10 Options 1.11 Reliability 2 Principles of Operation 2.1 Principles of Operation - General Information ...2.1.02 Microprocessors (MPUs) and Peripheral Circuits ...2.1.03 Initialization ...2.1.04 Interface Control ...2.1.05 Printhead Drive Circuit ...2.1.06 Spacing Drive Circuit ...2.1.07 Line Feed Circuit 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 39 Table of Contents ...2.1.08 Alarm Circuits ...2.1.09 Paper End Detection Circuit ...2.1.10 Power Supply 2.2 Mechanical Operation - Printhead Mechanism ...2.2.02 Spacing ...2.2.03 Ribbon Drive ...2.2.04 Paper Feed ...2.2.05 Paper-End Detection ...2.2.06 Paper Park ...2.2.07 Automatic Paper Loading 3 Maintenance 3.1 Maintenance - General Information 3.2 Disassembly/Assembly Procedures - General Information ...3.2.01 Preliminary Items, Printhead ...3.2.02 Ribbon Guide ...3.2.03 Ribbon Protector ...3.2.04 Upper Cover Assembly ...Parts List ...3.2.05 Operator Panel Assembly ...3.2.06 Control Board (LQEM) ...3.2.07 Interface Connector Board (LQPN) ...3.2.08 Printer Mechanism ...3.2.09 Platen Assembly ...3.2.10 Line Feed Motor ...3.2.11 Printhead Cable Assembly ...3.2.12 Sensor Board ...3.2.13 Ribbon Feed Assembly ...3.2.14 Space Motor Assembly ...3.2.15 Space Belt ...3.2.16 Bail/Ribbon Motor Assembly ...3.2.17 Paper Bail Assembly ...3.2.18 Carriage and Carriage Shaft ...Parts List ...3.2.19 Paper Pressure Guide ...3.2.20 Printhead Gap / Release Lever