Brother FAX-2840 Service Manual page 66

Error code 51 to 55
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 56
Cover is Open
Close the Fuser Cover which can be found behind the Back Cover of the machine.
The eject sensor detected that the fuser unit cover was open.
<User Check>
• Close the fuser unit cover properly.
Step
Paper eject actuator catching
1
on some position
Eject sensor PCB failure
2
3 Main PCB failure
Error code 57
This error does 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
Correct the position of the paper eject actuator.
Check the sensor performance following the
procedure in
problem occurs, replace the eject sensor PCB
ASSY.
Replace the main PCB ASSY.
Cause
Replace the main PCB ASSY.
2-29
Remedy
Remedy
"Function code 32". If any
Remedy
Confidential