C0520: Fuser Overheat; C0650: Scanner Home Sensor Error - Konica Minolta Di1610 Service Manual

(5)

C0520: Fuser overheat

<Detection Timing>
• The temperature detected by the Thermistor remains higher than 235 °C for a predeter-
mined period of time while the fusing temperature control is being provided.
<Troubleshooting Procedures>
Fusing Unit
Thermistor (TH1)
Fusing Roller Heater Lamp (H1)
Step
1 Replace Thermistor (TH1).
2 Replace Fusing Roller Heater
Lamp (H1).
3 Replace Thermostat (TS1).
4 Replace Fusing Unit.
5 Replace Controller/Mechanical
Control Board (PWB-P).
6 Replace Power Unit (PU1).
(6)

C0650: Scanner home sensor error

<Detection Timing>
• The Scanner Home Position Sensor is not detected within the predetermined period of
time after the Scanner Motor has started turning.
<Troubleshooting Procedures>
Scanner Motor (M4)
Step Action
1 M4 operation check
2 Replace PWB-P.
Description
Relevant Electric Parts
Action
Description
Relevant Electrical Components
Controller/Mechanical Control Board (PWB-P)
Ref. Page
☞ T-3
T-18
Controller/Mechanical Control Board (PWB-P)
Thermostat (TS1)
Power Unit (PU1)
WIRING DIAGRAM
Ref. Page
Control Signal
– –
– –
– –
– –
– –
– –
WIRING DIAGRAM
Control Signal
–
– –
Location
(Electric Parts)
–
–
–
–
–
–
Location
(Electric Parts)
–
–