Brother FAX-2840 Service Manual page 89

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.
<User Check>
• Turn OFF the power switch, and turn it ON again after a while.
Step
1 Main PCB failure
Error code C0
Scanner Error
The new toner sensor could not detect the new toner cartridge correctly.
<User Check>
• Install a new toner cartridge.
Step
Coming off of the new toner
1
actuator
Connection failure of the new
2
toner sensor harness
3 New toner sensor failure
4 Main PCB failure
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.
<User Check>
• Turn OFF the power switch, and turn it ON again after a while.
Step
1 Main PCB failure
Cause
Replace the main PCB ASSY.
Cause
Reattach the new toner actuator.
Reconnect the new toner sensor harness.
Replace the new toner sensor PCB ASSY.
Replace the main PCB ASSY.
Cause
Replace the main PCB ASSY.
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Remedy
Remedy
Remedy
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