iv
Service Manual
24xx
Diagnostic Aids . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-1
Power-On Self Test (POST) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-2
Print Test . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-3
Hex Trace Mode . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-4
Printer Default Settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-5
U.S. Defaults . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-5
World Trade Defaults . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-5
Clearing Paper Jams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-6
Cut Sheet Jams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-6
Continuous Forms Jams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .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 . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-4
Removal Procedures . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-5
Covers, Removals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-5
Covers, Front Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-6
Covers, Ribbon Access Removal . . . . . . . . . . . . . . . . . . . . . . . . .4-6
Covers, Option Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-7
Covers, Top Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-8
Covers, Operator Panel Assembly Removal . . . . . . . . . . . . . . . .4-11
Covers, Bottom Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-12
Electronics Removals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-13
EPROM Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-13
Logic Board Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-14
Power Supply Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-15
Carrier Removals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-16
Carrier Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-16
Carrier, Motor Assembly Removal . . . . . . . . . . . . . . . . . . . . . . .4-21
Paper Handling Removals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-24
Paper Select Lever Removal. . . . . . . . . . . . . . . . . . . . . . . . . . . .4-24
Paper Feed Motor Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-24
Form Thickness Lever Removal . . . . . . . . . . . . . . . . . . . . . . . . .4-25
Print Handling Removals . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-26
Platen Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-26
Printhead Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-27
Printhead Cables Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-27
Print Unit Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-28
Ribbon Drive Rack Gear Removal . . . . . . . . . . . . . . . . . . . . . . .4-30
Summary of Contents for 2480 - Forms Printer B/W Dot-matrix
Page 11: ...xi 24xx...
Page 92: ...4 32 Service Manual 24xx 3 Remove the four screws A from the paper feed motor bracket assembly...
Page 95: ...Repair Information 4 35 24xx 5 Remove the sub frame exposing the right side gears A as shown...
Page 103: ...Repair Information 4 43 24xx Sensors Removals...
Page 110: ...5 2 Service Manual 24xx Signal Connections Power Supply 9w 24w...
Page 112: ...5 4 Service Manual 24xx Logic Board 9w 24w...
Page 114: ...5 6 Service Manual 24xx Logic Board 9w 24w...
Page 116: ...5 8 Service Manual 24xx Logic Board 9w 24w...
Page 118: ...5 10 Service Manual 24xx Logic Board 9w 24w...
Page 120: ...5 12 Service Manual 24xx Logic Board 9w 24w...
Page 122: ...5 14 Service Manual 24xx Logic Board 9w 24w...
Page 124: ...5 16 Service Manual 24xx Logic Board 9w 24w...
Page 126: ...5 18 Service Manual 24xx Logic Board 9w 24w...
Page 128: ...5 20 Service Manual 24xx Logic Board 9w 24w...
Page 130: ...5 22 Service Manual 24xx Logic Board 9w 24w...
Page 132: ...5 24 Service Manual 24xx Logic Board 9w 24w...
Page 136: ...5 28 Service Manual 24xx...
Page 144: ...7 2 Service Manual 24xx Assembly 1 Covers...
Page 146: ...7 4 Service Manual 24xx Assembly 1 Covers...
Page 148: ...7 6 Service Manual 24xx Assembly 2 Carrier Paper Feed Right Side...
Page 150: ...7 8 Service Manual 24xx Assembly 2 Carrier Paper Feed Right Side...
Page 156: ...7 14 Service Manual 24xx Assembly 4 Electronics...
Page 158: ...7 16 Service Manual 24xx Assembly 5 ASF Roller Support...
Page 160: ...7 18 Service Manual 24xx Assembly 6 ASF Side Frame Covers...
Page 162: ...7 20 Service Manual 24xx Assembly 7 Tractor 2 Option...
Page 170: ...I 6 Service Manual 24xx...
