4-7 Confidential
Error Code
(Hex)
Symptom Probable Cause Solution
Set the maintenance unit
into place.
Planetary arm
assembly not engaged
correctly
If the planetary arm does
not move smoothly, clean
it.
Purge cam switch
harness not connected
correctly
Correct the connection.
Purge cam switch
broken
Replace the purge cam
switch.
Gear(s) on the
maintenance unit broken
Replace the maintenance
unit.
Paper feed motor
broken
Replace the paper feed
motor.
Power supply PCB
defective
Replace the power supply
PCB.
50
51
The purge cam switch
does not come ON or OFF
even after the purge cam
has been driven by the
specified number of
pulses.
Main PCB defective Replace the main PCB.
Set the maintenance unit
into place.
Planetary arm assembly
not engaged correctly
If the planetary arm does
not move smoothly, clean
it.
Purge cam switch
harness not connected
correctly
Correct the connection.
Purge cam switch broken Replace the purge cam
switch.
Gear(s) on the
maintenance unit
broken
Abnormal load applied
to the purge cam
Replace the maintenance
unit.
Paper feed motor broken Replace the paper feed
motor.
52 The purge cam switch
does not come ON at each
detection point.
Main PCB defective Replace the main PCB.
53 Not used.