1. CONFIGURATION ...............................................................................................6
1.1
1.2
Options ................................................................................................................................. 7
2.1
Electrical Operation .............................................................................................................. 9
2.1.1
Summary ................................................................................................................. 9
2.1.2
2.1.3
Initialization ........................................................................................................... 16
2.1.4
Interface Control ................................................................................................... 17
2.1.5
Print Control .......................................................................................................... 20
2.1.6
SP/LF Motor Control ............................................................................................. 22
2.1.7
Operation Panel .................................................................................................... 25
2.1.8
Alarm Circuit ......................................................................................................... 27
2.1.9
Power Supply Circuit ............................................................................................. 30
2.2
Mechanical Operation ........................................................................................................ 31
2.2.1
2.2.2
Spacing Operation ................................................................................................ 34
2.2.3
Head Gap Adjusting .............................................................................................. 35
2.2.4
Ribbon Drive ......................................................................................................... 37
2.2.5
Paper Feed Operation .......................................................................................... 38
2.2.6
2.2.7
Automatic Sheet Feed .......................................................................................... 50
2.2.8
Paper Park Function ............................................................................................. 52
3.1
3.2
Service Tools ..................................................................................................................... 54
3.3
3.3.1
Printhead ............................................................................................................... 57
3.3.2
Ribbon Protector ................................................................................................... 58
3.3.3
Pull-up Roller Assy ................................................................................................ 59
3.3.4
3.3.5
Gear Case Assy .................................................................................................... 61
3.3.6
PC Connector ....................................................................................................... 62
3.3.7
3.3.8
Space Rack ........................................................................................................... 64
3.3.9
Carriage Cable ...................................................................................................... 65
3.3.11 Platen Assy ........................................................................................................... 67
3.3.13 LF Motor ................................................................................................................ 69
3.3.16 Transformer Assy .................................................................................................. 72
3.3.18 Carriage Shaft ....................................................................................................... 74
3.3.19 Paper Pan ............................................................................................................. 75
42113901
Rev.2
Contents
Oki Data CONFIDENTIAL
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