Brother MFC-7290 - Page 89

2-52
Confidential
 Error code BE and BF
These errors do not usually occur in the normal use. The conceivable causes are noise
around the installation site, fluctuation of the power supply voltage, and failures in the
software.
An unidentified error occurred.
 Error code C0
The new toner sensor could not detect the new toner cartridge correctly.
 Error code C1 to C6
These errors do not usually occur in the normal use. The conceivable causes are noise
around the installation site, fluctuation of the power supply voltage, and failures in the
software.
An unidentified error occurred.
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<User Check>
• Turn OFF the power switch, and turn it ON again after a while.
Step Cause Remedy
1 Main PCB failure Replace the main PCB ASSY.
Scanner Error
<User Check>
• Install a new toner cartridge.
Step Cause Remedy
1
Coming off of the new toner
actuator
Reattach the new toner actuator.
2
Connection failure of the new
toner sensor harness
Reconnect the new toner sensor harness.
3 New toner sensor failure Replace the new toner sensor PCB ASSY.
4 Main PCB failure Replace the main PCB ASSY.
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<User Check>
• Turn OFF the power switch, and turn it ON again after a while.
Step Cause Remedy
1 Main PCB failure Replace the main PCB ASSY.