Lexmark 2390 003 - B/W Dot-matrix Printer Manuals

Manuals and User Guides for Lexmark 2390 003 - B/W Dot-matrix Printer. We have 1 Lexmark 2390 003 - B/W Dot-matrix Printer manual available for free PDF download: Service Manual

Lexmark 2390 003 - B/W Dot-matrix Printer Service Manual

Lexmark 2390 003 - B/W Dot-matrix Printer Service Manual (204 pages)

23 Series

Brand: Lexmark | Category: Printer | Size: 2.94 MB

Table of Contents

Table of Contents
3
Notices and Safety Information

7
- Safety Notices
  7
Preface

11
General Information

13
- Description
  13
  - Specifications
    15
  - Recommended Machine Usage
    15
- Options
  16
- Tools
  16
- Abbreviations
  17
- Setup Mode
  18
  - How to Change the Printer Functions
    18
- Serial Interface Adapters
  19
- Serial Interface Switches
  20
  - Function Switch Setting
    20
Diagnostic Information

25
- Start
  25
  - Voltage, Ground, and Continuity Readings
    25
- Error Indication Table
  26
- Symptom/Check Table
  30
- Irrecoverable Operator Errors
  37
- Service Checks
  38
Diagnostic Aids

69
- Power-On Self Test (POST)
  70
- Print Test
  71
- Hex Dump Mode
  73
- Serial Interface Adapter Print Test
  74
Repair Information

75
- Handling ESD-Sensitive Parts
  75
- Adjustments
  76
  - Printhead-To-Platen Gap Adjustment
    76
  - Bidirectional Print Adjustment
    79
- Removal Procedures
  81
  - Auto Sheet Feeder Gears Removal
    82
  - Auto Sheet Feeder Pick-Up Roller Removal
    83
  - Bottom Cover Removal
    84
  - Carrier Removal
    86
  - Carrier Motor Assembly Removal
    90
  - Carrier Plate Removal
    92
  - Download or Print Buffer Module Removal
    95
  - Form Thickness Lever Removal
    96
  - Head Gap Sensor Removal (238X-001)
    97
  - Head Gap Sensor Removal (23XX-002, 003)
    98
  - Home Position Sensor Removal
    99
  - Label Jam Removal
    100
  - Left Side Frame Removal
    102
  - Lower Feed Roller Removal
    104
  - Lower Pinch Roller Removal
    106
  - Main Logic Board Removal
    107
  - Operator Panel Assembly Removal
    108
  - Paper Empty Sensor and Spring Removal
    110
  - Paper Feed Motor Removal
    112
  - Paper Guide Removal (Left and Right)
    113
  - Paper Guide / Platen Assembly Removal
    114
  - Paper Select Lever Removal
    116
  - Paper Select Sensor Removal
    117
  - Paper Separator Removal
    118
  - Power Supply Removal
    120
  - Print Unit Removal
    121
  - Printhead Removal
    122
  - Printhead Cables Removal
    123
  - Pull Tractor Removal
    124
  - Pull Tractor Actuator Removal
    125
  - Pull Tractor Sensor Removal
    126
  - Push Tractor Assembly Removal
    127
  - Ribbon Drive Rack Gear Removal
    128
  - Right Side Frame Removal
    130
  - Right Side Frame Gears Removal
    132
  - Sub Logic Board Removal
    133
  - Tension Pulley Plate Assembly
    134
  - Top Cover Removal
    135
  - Top of Form Sensor, Sensor Flag and Spring Removal
    138
  - Upper Feed Roller Removal
    140
Connector Locations

141
- Front View
  142
- Rear View
  143
- Tractor 2 Cable Connectors
  144
- Wiring Diagrams
  145
  - Block Diagram 238X-001
    145
  - Block Diagram 239X-001
    146
  - Block Diagram 238X-002
    147
  - Block Diagram 239X-002
    148
  - Block Diagram 238X-003
    149
  - Block Diagram 239X-003
    150
- Signal Connections
  151
- Connector Locations
  160
  - Main Logic Board 23XX-001
    160
  - Main Logic Board 23XX-002
    161
  - Main Logic Board 23XX-003
    162
  - Sub Logic Boards
    163
  - Power Supply
    165
  - Operator Panel
    166
Preventive Maintenance

167
- Lubrication
  167
  - Specified Lubricants
    167
  - Lubrication Points
    168
  - Lubrication Points (Oil)
    169
  - Lubrication Points (Grease)
    170
Parts Catalog

173
- How to Use this Parts Catalog
  173
- Assembly 1: Major Components
  174
- Assembly 2: Covers
  178
- Assembly 3: Carrier
  182
- Assembly 4: Paper Guide / Platen / Feed Roller
  186
- Assembly 5: Electronics
  190
- Assembly 6: ASF - Roller / Support
  196
- Assembly 7: ASF - Side Frame / Covers
  198
- Assembly 8:Tractor 2 Option
  200

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