Oki Microline 182 User Manual

210 pages

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PREFACE

This maintenance manual describes field maintenance of the Microline

182/l

83 for

maintenance engineers.

For performance specifications and operating procedures, refer to the “User’s Manual”.

Contents3
Records of Changes4
Configuration6
Standard Printer Configuration7
Options8
Roll Paper Stand (Only ML182)8
Maintenance12
Maintenance Tools13
Parts Replacement15
Precautions for Parts Replacement15
Disassembly and Reassembly Procedures16
Upper Cover16
Control Board18
Transformer Assembly20
Power Supply Board22
Operation Board24
Print Head26
Ribbon Feed Gear Assembly28
Space Motor Assembly30
Space Rack32
Carriage Cable34
Printer Mechanism36
LF Motor Assembly38
Column Indicator Bar40
Platen Assembly42
Connection Board44
Paper Chute Assembly46
Bottom Paper Guide Assembly48
Near-End Lever and Bracket50
Bottom Near-End Lever51
Carriage Frame52
Drive Shaft54
Lock Shaft55
Pin Tractor Assembly56
Belt57
Cleaning58
Adjustment60
Head-Gap Adjustment61
Troubleshooting and Repair63
Items to be Checked before Repair64
Method of Troubleshooting64
SLMC Board66
SLSQ Board66
Line Feed Motor68
Space Motor69
Circuit Diagram88
Table of Symbols89
Maintenance Parts List151
Theory of Operation172
Circuit Operation172
General172
Microprocessor and Its Peripheral Circuits174
Initialization177
Interface Control178
Parallel Interface178
Serial Interface178
Print Head Drive Circuit179
Spacing180
Space Motor Control180
Slit Encoder181
Line Feed182
Alarm Circuits183
Drive Circuit Fault Alarm Circuit183
Head Overheat Alarm Circuit183
Paper End Detection Circuit184
Power Supply184
Mechanical Operation185
Mechanism and Operation of Print Head185
Print Head Operation185
Space Mechanism and Operation187
Spacing Operation187
Head-Hap Adjusting Mechanism189
Ribbon Feed Mechanism and Operation191
Ribbon Cartridge191
Ribbon Feed Operation191
Paper Feed Mechanism and Operation193
Paper Clamp Mechanism194
Rear Paper Feed196
Bottom Paper Feed196
Specifications198
DIP Switch Setting Table205

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Oki Microline 182 Specifications

General

Brand	Oki
Model	Microline 182
Category	Printer
Language	English

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