Table Of Contents - Oki MICROLINE 80 Maintenance Manual

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M-520059
ISSUE3C
MICROLINE 80
MATRIX PRINTER
Maintenance Manual
CONTENTS
1.
1.1
1.2
2.
2.1
2.2
2.3
3.
3.1
3.2
3.3
3.4
3.5
3.6
3.7
4.
4.1
4.2
4.3
5
5.1
5.2
5.3
5.4
5.5
5.6
5.7
5.8
INTRODUCTION
General .................... .
Con struction ........ .. . . . .. .. 1
SPECiFiCATIONS. . . .... . . .
3
General . . . . . . . . . . . . . . . . . . . . .. 3
Pri nter Specifications . . . . . . . . . .. 3
Interface Specifications . . . .... . . 10
INSTALLATION AND
OPERATION PROCEDURES.
13
General. . . . . . . . . . . . . . . . . . . . .. 13
Preparations for Printer Operation. . 13
Paper Loading Procedure ... . .... 17
Inked Ribbon Loading Procedure.. 25
External Operating Switches and
Knobs ... . . . . . . . ..... ... . .. . 27
Print Control Procedure . . . . . . . . . 29
Handling Precautions . . ... . ..... 31
THEORY OF OPERATION ..
33
General . . . . .................. 33
Ope ration of the Mechanical
Section ... . .. ........ .. .... 33
Operation of the Control Section . . 42
MAINTENANCE . . ....... ...
51
General . . .. . ..... .. . .. .. ... . 51
Maintenance Precautions .. .. . . .. 51
Cleaning. . . . . . . . . . . . . . . . . . . .. 51
Maintenance Tool List · . . . . . . . . . 52
Disasse mbly, Replacement
and Adjusting Procedu res ...... . 53
Mainte nance Parts List . . . . . . . . . . xx
Troubleshooting Flow Charts . . . .. 67
Voltage Select Switch, Short Plugs
and Jumper Wire s· . . . . . . . . . . . . . 78
The contents of this manual are subject to change without notice.
6.
7.
CIRCUIT DIAGRAMS . . . . . .
83
Fig. 6-1 Table of Symbols . .. . . .
Fig. 6-2-1 Schematic Diagram
(LEPS) . .. .... .. . . .. . 85
Fig. 6-2-2 Schematic Diagram
(LEPU) . . ....... .. . .. 87
TABLE OF COMPONENT
PARTS . .. .. .. ...... .. .. .. . .
89
Fig. 7-1
Fig . 7-1
Fig. 7-2
Fig. 7-3
Fig. 7-4
Fig . 7-5
Fig. 7-6
Fig. 7-7
Fig . 7 -8
Fig . 7·8
Fig. 7-9
Fig. 7-10
Fig. 7-11
Fig. 7·12
Fig. 7·13
Fig. 7- 14
General Assembly
Diagram (1 / 2) ... . .. . 90
General Assembly
D iagram (2/2) . . ..... 91
Printer Unit . . . . . . . . . .
~J
Base Unit . . . . . . . . . . . . 95
Platen Assembly. . . . . .. 97
Paper End Unit .. . .. .. 99
Ribbon Assembly . . .... 101
Carriage Assembly ... .. 103
Cover Unit
(for 100/115 V AC) 105
Cover Unit
(for 220/240 V AC) 108
Switch Assembly ... . .. 111
Roll Paper Support
Assembly ...... . ..... 113
LEPU Ci rcuit Board . .. 115
Tractor Assembly .. .... 119
Sheet Feeder Assembly
(R) .... . . .. .... . . . .. 121
Sheet Feeder Assembly
(L) ...... . .. . . .... . . 123