Service Call Conditions
SM Appendix 3-19 D009/D011/D012/D013/D091/D092
Appendix:
Service Call
Conditions
542 A
Fusing temperature warm-up error(center)
This SC is generated if the following condition occurs:
The thermistor (center) does not detect an 8°C increment in the fusing
temperature for 7.5 sec. just after the fusing temperature reached 45°C.
The temperature of the center thermistor does not reach the target
temperature for 28 seconds after the fusing lamps turned on.
Thermistor warped or broken
543 A
Fusing overheat error 1 (software detection)
A fusing temperature (at the center) of over 230°C (446°F) is detected for 1
second by the fusing thermistors at the center or at either end of the fusing
roller.
Power supply unit defective
I/O board (IOB) defective
BICU defective
TRIAC short on PSU (PSU defective)
544 A
Fusing overheat error 1 (hardware detection)
A fusing temperature (at the center) over 250°C is detected by the fusing
temperature monitor circuit in the BICU board.
I/O board (IOB) defective
BICU defective
545 A
Fusing lamp consecutive full power 1
After warm-up the fusing lamp remains at full power for 15 seconds without
the hot roller rotating.
Disconnected or defective thermistors (center)
Defective fusing lamp
To Next Page
Loading...
