2-92
Confidential
4.11 Troubleshooting for Document Feeding Problems
4.11.1 Multiple sheets of document are fed
4.11.2 Document becomes wrinkled
4.11.3 Document size is not detected correctly
<User Check>
- Check that paper used for the document is not thinner than the standard.
Step
Cause
Remedy
1
Abrasion of the ADF separation
pad.
Replace the ADF separation pad.
<User Check>
- Check that the document guide is adjusted to suit the document size.
- Check that the document is not curled.
Step
Cause
Remedy
1
Abrasion of the document separate
roller
Replace the document separate roller
ASSY.
2
Abrasion of the feed rollers
Replace the ADF unit.
<User Check>
- Check that the document size is within the standard.
Step
Cause
Remedy
1
Document scanning position
actuator caught in some sections of
the machine
Reattach the document scanning position
actuator.
2
ADF motor failure
Replace the ADF motor ASSY.
3
Main PCB failure
Replace the main PCB ASSY.
Summary of Contents for MFC-8510DN
Page 27: ...Confidential CHAPTER 1 SPECIFICATIONS ...
Page 43: ...Confidential CHAPTER 2 TROUBLESHOOTING ...
Page 143: ...Confidential CHAPTER 3 DISASSEMBLY REASSEMBLY ...
Page 155: ...3 9 Confidential Hinge ASSY L Fig 3 7 Hinge R Legal model only Fig 3 8 ...
Page 277: ...Confidential CHAPTER 4 ADJUSTING AND UPDATING SETTINGS AS REQUIRED AFTER PARTS REPLACEMENT ...
Page 293: ...Confidential CHAPTER 5 SERVICE FUNCTIONS ...
Page 300: ...5 5 Confidential Fig 5 1 ...
Page 325: ...5 30 Confidential Fig 5 14 ...
Page 327: ...5 32 Confidential Fig 5 15 ...
Page 346: ...Confidential CHAPTER 6 WIRING DIAGRAM ...
Page 348: ...6 1 Confidential 1 WIRING DIAGRAM Wiring diagram ...
Page 349: ...Confidential CHAPTER 7 PERIODICAL MAINTENANCE ...
Page 368: ...Confidential APPENDIX 1 SERIAL NUMBERING SYSTEM ...
Page 372: ...Confidential APPENDIX 3 INSTALLING MAINTENANCE DRIVER ...