Brother FAX-2840 Service Manual page 67

Error code 58
Print Unable 58
Turn the power off and then back on again.
Any of errors 6A to 6D, 6F, 76 or 78 occurred when the power was turned ON or the machine
goes back to the ready state from sleep mode.
<User Check>
• Turn OFF the power switch, and turn it ON again after a while.
Step
Any fuser error occurs when
1
started in the ready state.
Error code 59
Self-Diagnostic
Will Automatically Restart within 15 minutes.
Rechecking the error after the power switch was turned OFF and then ON again because an
error was detected by the center thermistor of the fuser unit.
(Displayed for approximately 15 minutes when the power was turned OFF and then ON
again after occurrence of error code 58)
Step
Connection failure of the center
1 thermistor harness of the fuser
unit
Connection failure of the heater
2
harness of the fuser unit
Connection failure of the eject
3
sensor PCB harness
4 Eject sensor PCB failure
Low voltage power supply PCB
5
failure
6 Main PCB failure
7 Fuser unit failure
CAUTION:
• Turn OFF the power switch once, and after checking that the fuser unit sufficiently
cools down, turn ON the power switch again and leave the machine for 10 minutes.
Then, this problem may be cleared.
Cause
Follow the "Remedy" of the error code that has
reoccurred.
Cause
Reconnect the center thermistor harness of the
fuser unit.
Reconnect the heater harness of the fuser unit.
Reconnect the eject sensor PCB harness.
Replace the eject sensor PCB ASSY.
Replace the low voltage power supply PCB
ASSY.
Replace the main PCB ASSY.
Replace the fuser unit.
2-30
Remedy
Remedy
Confidential