2-35
Confidential
Error code 4400
The toner sensor detected that the toner cartridge was not set.
Error codes 4500 to 4F00
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 5000
The number of rotations of the drum unit has reached the life limit. (Printing does not stop.)
No Toner
Open the Front Cover, then install the Toner Cartridge.
<User Check>
• Set the toner cartridge.
Step
Cause
Remedy
1
Toner sensor PCB failure
Refer to
"1.3.10 Check sensor operation
(function code: 32)" in Chapter 5
to check the
sensor operation. If the sensor operation is
faulty, replace the toner sensor PCB ASSY.
2
Relay front PCB failure
Replace the relay front PCB ASSY.
3
Main PCB failure
Replace the main PCB ASSY.
---
Step
Cause
Remedy
1
Main PCB failure
Replace the main PCB ASSY.
Replace Parts
Drum
<User Check>
• Prepare the drum unit.
Step
Cause
Remedy
1
Replace the drum unit with a
new one and reset the drum
counter. If the error display is
not cleared, the main PCB is
faulty.
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 ...