vi
Service Manual
Diagnostic Aids . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1
Power-On Self Test (POST) . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
Print Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3
Hex Dump Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-5
Serial Interface Adapter Print Test . . . . . . . . . . . . . . . . . . . . . 3-6
Repair Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-1
Handling ESD-Sensitive Parts . . . . . . . . . . . . . . . . . . . . . . . . 4-1
Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-2
Printhead-to-Platen Gap Adjustment. . . . . . . . . . . . . . . . 4-2
Bidirectional Print Adjustment . . . . . . . . . . . . . . . . . . . . . 4-5
Removal Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-7
Auto Sheet Feeder Gears Removal . . . . . . . . . . . . . . . . 4-8
Auto Sheet Feeder Pick-up Roller Removal . . . . . . . . . . 4-9
Bottom Cover Removal . . . . . . . . . . . . . . . . . . . . . . . . . 4-10
Carrier Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-12
Carrier Motor Assembly Removal . . . . . . . . . . . . . . . . . 4-16
Carrier Plate Removal . . . . . . . . . . . . . . . . . . . . . . . . . . 4-18
Download or Print Buffer Module Removal . . . . . . . . . . 4-21
Form Thickness Lever Removal . . . . . . . . . . . . . . . . . . 4-22
Head Gap Sensor Removal (238X-001) . . . . . . . . . . . . 4-23
Head Gap Sensor Removal (23XX-002, 003) . . . . . . . . 4-24
Home Position Sensor Removal . . . . . . . . . . . . . . . . . . 4-25
Label Jam Removal. . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-26
Left Side Frame Removal . . . . . . . . . . . . . . . . . . . . . . . 4-28
Lower Feed Roller Removal . . . . . . . . . . . . . . . . . . . . . 4-30
Lower Pinch Roller Removal . . . . . . . . . . . . . . . . . . . . . 4-32
Main Logic Board Removal . . . . . . . . . . . . . . . . . . . . . . 4-33
Operator Panel Assembly Removal . . . . . . . . . . . . . . . 4-34
Paper Empty Sensor And Spring Removal . . . . . . . . . . 4-36
Paper Feed Motor Removal . . . . . . . . . . . . . . . . . . . . . 4-38
Paper Guide Removal (Left And Right) . . . . . . . . . . . . . 4-39
Paper Guide / Platen Assembly Removal . . . . . . . . . . . 4-40
Paper Select Lever Removal. . . . . . . . . . . . . . . . . . . . . 4-42
Paper Select Sensor Removal . . . . . . . . . . . . . . . . . . . 4-43
Paper Separator Removal . . . . . . . . . . . . . . . . . . . . . . . 4-44
Power Supply Removal . . . . . . . . . . . . . . . . . . . . . . . . . 4-46
Print Unit Removal. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-47
Printhead Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-48
Printhead Cables Removal . . . . . . . . . . . . . . . . . . . . . . 4-49
Pull Tractor Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . 4-50
Pull Tractor Actuator Removal. . . . . . . . . . . . . . . . . . . . 4-51
Pull Tractor Sensor Removal. . . . . . . . . . . . . . . . . . . . . 4-52
23xx.bk Page vi Wednesday, March 13, 2002 10:42 AM
Summary of Contents for 2380 - Forms Printer B/W Dot-matrix
Page 10: ...xii Korean Safety Information ...
Page 12: ...xiv ...
Page 68: ...2 44 ...
Page 72: ...3 4 Print Test Sample 9 wire Print Test Sample 24 wire ...
Page 85: ...Repair Information 4 11 ...
Page 88: ...4 14 ...
Page 89: ...Repair Information 4 15 This Page Intentionally Blank ...
Page 93: ...Repair Information 4 19 ...
Page 101: ...Repair Information 4 27 This Page Intentionally Blank ...
Page 105: ...Repair Information 4 31 ...
Page 109: ...Repair Information 4 35 This Page Intentionally Blank ...
Page 111: ...Repair Information 4 37 ...
Page 115: ...Repair Information 4 41 ...
Page 119: ...Repair Information 4 45 ...
Page 129: ...Repair Information 4 55 This Page Intentionally Blank ...
Page 137: ...Repair Information 4 63 This Page Intentionally Blank ...
Page 142: ...5 2 Front View ...
Page 143: ...Connector Locations 5 3 Rear View ...
Page 145: ...Connector Locations 5 5 Wiring Diagrams Block Diagram 238X 001 ...
Page 146: ...5 6 Block Diagram 239X 001 ...
Page 147: ...Connector Locations 5 7 Block Diagram 238X 002 ...
Page 148: ...5 8 Block Diagram 239X 002 ...
Page 149: ...Connector Locations 5 9 Block Diagram 238X 003 ...
Page 150: ...5 10 Block Diagram 239X 003 ...
Page 160: ...5 20 Connector Locations Main Logic Board 23XX 001 ...
Page 161: ...Connector Locations 5 21 Main Logic Board 23XX 002 ...
Page 162: ...5 22 Main Logic Board 23XX 003 ...
Page 163: ...Connector Locations 5 23 Sub Logic Boards ...
Page 164: ...5 24 ...
Page 165: ...Connector Locations 5 25 Power Supply ...
Page 166: ...5 26 Operator Panel ...
Page 174: ...7 2 Assembly 1 Major Components ...
Page 176: ...7 4 Assembly 1 Major Components Continued ...
Page 178: ...7 6 Assembly 2 Covers ...
Page 180: ...7 8 Assembly 2 Covers Continued ...
Page 182: ...7 10 Assembly 3 Carrier ...
Page 184: ...7 12 Assembly 3 Carrier Continued ...
Page 186: ...7 14 Assembly 4 Paper Guide Platen Feed Roller ...
Page 188: ...7 16 Assembly 4 Paper Guide Platen Feed Roller Cont ...
Page 190: ...7 18 Assembly 5 Electronics ...
Page 192: ...7 20 Assembly 5 Electronics Continued ...
Page 194: ...7 22 Assembly 5 Electronics Continued ...
Page 196: ...7 24 Assembly 6 ASF Roller Support ...
Page 198: ...7 26 Assembly 7 ASF Side Frame Covers ...
Page 200: ...7 28 Assembly 8 Tractor 2 Option ...
Page 202: ...7 30 ...