B245/B276/B277/B268/B269 Service Manual 18-Jan-06
121
No.
Definition
Symptom Possible Cause
after the last signal.
Tray 2 lift motor malfunction (Optional paper tray units)
502 C
The paper lift sensor fails
to activate twice
continuously after the tray
lift motor has been on for
18 seconds.
Paper lift sensor defective
Tray lift motor defective
Too much load on the drive
mechanism
Poor tray lift motor connection
Tray 3 lift motor malfunction (optional paper tray units)
503 C
The paper lift sensor fails
to activate twice
continuously after the tray
lift motor has been on for
18 seconds.
Paper lift sensor defective
Tray lift motor defective
Too much load on the drive
mechanism
Poor tray lift motor connection
Tray 4 lift motor malfunction (optional two-tray paper tray unit)
504 C
The paper lift sensor fails
to activate twice
continuously after the tray
lift motor has been on for
18 seconds.
Paper lift sensor defective
Tray lift motor defective
Too much load on the drive
mechanism
Poor tray lift motor connection
Paper feed motor lock (optional paper tray units)
506 C
A motor lock signal is not
detected for more than 1.5
s or the lock signal is not
detected for more than 1.0
s during rotation.
Paper feed motor defective
Too much load on the drive
mechanism
Fusing thermistor open (center)
541 A
The fusing temperature
detected by the thermistor
is below 71C and is not
corrected after the main
power switch is turned on.
Fusing thermistor defective or out of
position
Power supply board defective
Loose connectors
Fusing temperature warm-up error (center)
542 A
The fusing temperature Fusing thermistor defective or out of
To Next Page
Loading...
