0500: Fuser Warm-Up Failure 0503: Thermistor Resistance Failure; 0502: Thermistor Open-Circuit Failure 0510: Abnormally Low Fuser Temperature 0520: Abnormally High Fuser Temperature - Konica Minolta MagiColor 1600W Service Manual

17. Malfunction code
17.2.9 0500: Fuser warm-up failure
0503: Thermistor resistance failure
Fuser unit
Step
1 Change fuser unit.
For magicolor 1600W:
1. Main switch is turned ON.
2. Open the top cover.
3. Press the following keys in this order.
Rotate Toner key → Clear key → Clear
key → Rotate Toner key.
2
4. Main switch is turned OFF/ON.
For magicolor 1650EN:
1. Main switch is turned ON.
2. Execute [SERVICE MENU] - [FUSER
UNLOCK].
See P.92
3 Change PRCB.
4 Change DCPU.
17.2.10 0502: Thermistor open-circuit failure
0510: Abnormally low fuser temperature
0520: Abnormally high fuser temperature
Fuser unit
Step
Check the fuser unit for correct installation
1
(whether it is secured in position).
Check the fuser unit, DCPU, and PRCB for
2 proper connection and correct as neces-
sary.
3 Change fuser unit.
4 Change PRCB.
5 Change DCPU.
108
Relevant electrical parts
Action
Relevant electrical parts
Action
Field Service Ver. 1.0 Nov. 2008
Printer control board (PRCB)
DC power supply (DCPU)
WIRING DIAGRAM
Control signal
⎯
⎯
⎯
⎯
Printer control board (PRCB)
DC power supply (DCPU)
WIRING DIAGRAM
Control signal
⎯
⎯
⎯
⎯
⎯
Location (Electrical
component)
⎯
⎯
⎯
⎯
Location (Electrical
component)
⎯
⎯
⎯
⎯
⎯