Brother MFC-8510DN, Service Manual, Page: 105 / 373

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Confidential
„
Error code BE00
This error does 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 BF00
The second side document scanning position sensor detected that the ADF was unable to
duplex-feed the document because the document is too long.
„ Error code C000
The new toner sensor could not detect the new toner cartridge correctly.
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Step Cause Remedy
1 Main PCB failure Replace the main PCB ASSY.
Scan Unable
Document is too long for duplex scanning. Press Stop key.
<User Check>
• Change the paper size to A4 or letter size.
Step Cause Remedy
1
Second side document
scanning position actuator
caught in some sections of the
machine Reattach the second side document scanning
position actuator.
2
Second side document
scanning position sensor failure Replace the second side document scanning
position sensor PCB ASSY.
3 Main PCB failure Replace the main PCB ASSY.
Cartridge Error
Put the Toner Cartridge back in.
<User Check>
• Set the toner cartridge to the machine correctly.
Step Cause Remedy
1
The power switch was turned
OFF or the front cover was
opened while a new toner
cartridge is being detected. Reset the developer roller counter. (Refer to
"2.4 Reset Developer Roller Counter" in
Chapter 5
.)