Konica Minolta bizhub 163, Service Manual

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Field Service Ver. 1.0 Apr. 2007 14. Malfunction code
167
bizhub 163/21
1/220
T
roubleshooting
14.3.5 C0210: Abnormal image transfer voltage
14.3.6 C0500: Warm-up failure
14.3.7 C0501: Warm-up failure 2 (bizhub 211/220 Only)
14.3.8 C0510: Fusing failure (Abnormally low fusing temperature)
14.3.9 C0511: Fusing failure (Abnormally low fusing temperature 2)
(bizhub 211/220 Only)
14.3.10 C0520: Fusing failure (Abnormally high fusing temperature)
14.3.11 C0521: Fusing failure (Abnormally high fusing temperature 2)
(bizhub 211/220 Only)
Relevant electrical components
Image transfer roller
High voltage unit (HV1) Printer control board (PRCB)
Step Operations
WIRING DIAGRAM
Control signal
Location
(Electrical compo-
nents)
1
Check the image transfer roller for installa-
tion.
– –
2 Change HV1. – –
3 Change PRCB. – –
Relevant electrical components
Thermistor (TH1)
Sub thermistor (TH2) Fusing unit interlock switch (S2)
Printer control board (PRCB)
Power supply unit (DCPU)
Step Operations
WIRING DIAGRAM
Control signal
Location
(Electrical compo-
nents)
1
Check that the fusing roller heater lamp
turns ON when the power switch is turned
ON and correct the lamp as necessary.
– –
2
Check that the fusing roller sub heater
lamp turns ON when the power switch is
turned ON and correct the lamp as neces-
sary.
– –
3
Check the fusing roller thermostat for oper-
ation.
<Check procedure>
Check the resistance of fusing roller ther-
mostat. Fusing roller thermostat is open-
circuited if its resistance is infinity.
– –