2-43
Confidential
Error codes 7B00 and 7C00
These errors do not usually occur during normal use. The possible causes are noise around
the installation site, fluctuation of the power supply voltage, and failures in the software.
An unidentified error occurred.
Error code 7D00
Detected discharge that may be attributable to dirty corona wire on the drum unit.
Error codes 7E00 and 7F00
These errors do not usually occur during normal use. The possible causes are noise around
the installation site, fluctuation of the power supply voltage, and failures in the software.
An unidentified error occurred.
Error code 8000
The registration front sensor detected that the paper length was too short when faxing or
printing a list or report.
---
Step
Cause
Remedy
1
Main PCB failure
Replace the main PCB ASSY.
Drum Error
Open the Front Cover and slide the green tab across the Drum Unit several times.
<User Check>
• Slide the green tag of the drum unit left and right two to three times to clean the corona
wire.
• Replace the drum unit with a new one.
Step
Cause
Remedy
1
High-voltage power supply PCB
failure
Replace the high-voltage power supply PCB
ASSY.
2
Main PCB failure
Replace the main PCB ASSY.
---
Step
Cause
Remedy
1
Main PCB failure
Replace the main PCB ASSY.
Size mismatch
Reload correct paper.
<User Check>
• Set paper larger than letter size in the tray.
Step
Cause
Remedy
1
Registration front sensor failure Replace the registration front/rear sensor PCB
ASSY.
2
Main PCB failure
Replace the main PCB ASSY.
Содержание MFC-8510DN
Страница 27: ...Confidential CHAPTER 1 SPECIFICATIONS ...
Страница 43: ...Confidential CHAPTER 2 TROUBLESHOOTING ...
Страница 53: ...2 8 Confidential 2 2 2 Scanning Legal model Fig 2 5 A4 model Fig 2 6 Document feed path Document feed path ...
Страница 143: ...Confidential CHAPTER 3 DISASSEMBLY REASSEMBLY ...
Страница 154: ...3 8 Confidential Develop joint gear 37 Fig 3 4 Document scanner unit A4 model Fig 3 5 Legal model Fig 3 6 ...
Страница 155: ...3 9 Confidential Hinge ASSY L Fig 3 7 Hinge R Legal model only Fig 3 8 ...
Страница 165: ...3 19 Confidential 11 Main frame R Harness colors may be changed for any reason NCU earth harness BR Guides ...
Страница 201: ...3 55 Confidential 13 Remove the LCD and touch panel ASSY from the panel cover Fig 3 70 Touch panel ASSY Panel cover LCD ...
Страница 277: ...Confidential CHAPTER 4 ADJUSTING AND UPDATING SETTINGS AS REQUIRED AFTER PARTS REPLACEMENT ...
Страница 293: ...Confidential CHAPTER 5 SERVICE FUNCTIONS ...
Страница 300: ...5 5 Confidential Fig 5 1 ...
Страница 325: ...5 30 Confidential Fig 5 14 ...
Страница 327: ...5 32 Confidential Fig 5 15 ...
Страница 346: ...Confidential CHAPTER 6 WIRING DIAGRAM ...
Страница 348: ...6 1 Confidential 1 WIRING DIAGRAM Wiring diagram ...
Страница 349: ...Confidential CHAPTER 7 PERIODICAL MAINTENANCE ...
Страница 368: ...Confidential APPENDIX 1 SERIAL NUMBERING SYSTEM ...
Страница 372: ...Confidential APPENDIX 3 INSTALLING MAINTENANCE DRIVER ...