Brother MFC845CW Manual De Servicio página 95

Error Code
Symptom
(Hex)
50
The purge cam switch does
not come ON or OFF even
51
after the purge cam has
been drive by the
specified number of pulses.
52
The purge cam switch does
not come ON at each
detection point
53 Not used
Probable Cause
Planetary arm assembly
not engaged correctly
Purge cam switch
harness not connected
correctly.
Purge cam switch broken
Gear(s) on the
maintenance unit broken
Paper feed motor
defective
Main PCB defective
Planetary arm assembly
not engaged correctly
Gear(s) on the
maintenance unit
broken
Abnormal load applied to
the purge cam
Paper feed motor broken
Main PCB defective
4-8
Solution
If the planetary arm does
not move smoothly,
clean it
Correct the connection
Replace the purge cam
switch.
Replace the maintenance
unit.
Replace the paper feed
motor
Replace the main PCB
If the planetary arm does
not move smoothly, clean
it.
Replace the maintenance
unit.
Replace the paper feed
motor
Replace the main PCB
Confidencial