General Symptom List
125
Paper feeds poorly
1.
Check the forms thickness lever: if it is set too tightly paper
feeding can be affected. Set the forms thickness lever to match
the thickness of the paper being used.
2.
Power off the printer. Remove paper. Inspect the paper feed
path for obstructions that could snag paper. Clear paper feed
path of any obstructions.
3.
Inspect the tractors and tractor door springs for damage or
excessive wear. If either tractor is damaged or excessively worn,
replace both tractor assemblies.
4.
Check the paper feed motor pulley for looseness. Hold the collar
snug against the motor pulley and torque the 7/64 inch setscrew
to 25
±
2 inch-pounds (2.82
±
0.23 N•m).
5.
Check and adjust the paper feed timing belt. Replace the belt if it
is damaged.
6.
Check and adjust the platen gap.
7.
Remove the paper guide assembly or pedestal top cover. Make
sure connector P107/PAPR M is fully seated in connector J107
on the CMX controller board.
8.
Power on the printer. Load paper. Press Form Feed and View
several times and check that paper moves in both directions.
Replace the paper feed motor if paper does not move in both
directions.
9.
Power on the printer. Press Form Feed and View several times
and check that paper moves in both directions. Replace the
CMX controller board if paper does not move in both directions.
Printer does not print
self tests
1.
Power off the printer. Remove the paper guide assembly or
pedestal top cover. Disconnect the control panel cable from
connector J110 on the CMX controller board. Disconnect the
control panel cable from the control panel. Check continuity of
the control panel cable assembly. Replace the control panel
cable assembly if it fails continuity test.
2.
Connect the control panel cable assembly to J110 on the CMX
controller board and to the control panel. Power on the printer.
Load paper. Run a self test. If the self test does not run, replace
the control panel assembly.
3.
Power on the printer. Run a self test. If the self test does not run,
replace the CMX controller board.
Table 5. General Symptom List
Symptom
Corrective Action
Summary of Contents for 6400 Series
Page 2: ......
Page 12: ...Table of Contents...
Page 28: ...28 Chapter 2 Installing And Configuring The IBM 6400 Printer...
Page 34: ...34 Chapter 3 Cleaning The Printer...
Page 184: ...184 Chapter 6 Ethernet Initialization...
Page 267: ...Illustrations Of Printer Components 267 Illustrated parts lists continue on next page...
Page 271: ...Illustrations Of Printer Components 271 Illustrated parts lists continue on next page...
Page 286: ...286 Chapter 7 Section II Illustrated Parts Lists...
Page 299: ...299 Cable Routing Cabinet Model...
Page 301: ...301 Cable Routing Pedestal Model...
Page 305: ...305 Cable Assembly 5V Remote Power 14H5589...
Page 307: ...307 Cable Assembly AC In Power Supply To Power Supply J1 To Circuit Breaker AC Kit 14H5289...
Page 309: ...309 Cable Assembly Card Cage Fan PIN 1 PIN 1 14H5285...
Page 311: ...311 Cable Assembly Exhaust Fan PIN 1 PIN 1 14H5286...
Page 312: ...312 Appendix A Circuit Board And Cable Pinouts Cable Assembly Hammer Bank Logic 14H5279...
Page 313: ...313 Cable Assembly Hammer Bank Power PIN 1 PIN 1 02N6214...
Page 316: ...316 Appendix A Circuit Board And Cable Pinouts Cable Assembly Ribbon Motor Extension 63H7464...
Page 317: ...317 Cable Assembly Shuttle Motor Drive 14H5330...
Page 319: ...319 Logic Cable Power Stacker 24H8976...
Page 320: ...320 Appendix A Circuit Board And Cable Pinouts Power Cable Power Stacker 24H8975...
Page 321: ...321 Vertical Rail Cable Power Stacker Reference only not spared...
Page 323: ...323 Magnetic Pickup MPU Assembly 57G1476...
Page 325: ...325 Switch Assembly Platen Interlock P107 PLO 14H5280...
Page 326: ...326 Appendix A Circuit Board And Cable Pinouts Switch Assembly Cover Open 14H5282...
Page 340: ...340 Appendix D...
Page 354: ...354 Appendix F WR Write w With w o Without XMT Transmit...
Page 403: ...403 Figure 91 Stacker Detail Rollers 75 80 85 90 85 80 From page 401...
Page 420: ...420...
Page 421: ...Preliminary 1...
Page 422: ...Copyright IBM Corp 1995 2000 S246 0117 08 164636 001B 07S246011708 01P4612 0401P4612...