T-18
(5)
C0520: Fuser overheat
<Detection Timing>
<Troubleshooting Procedures>
(6)
C0650: Scanner home sensor error
<Detection Timing>
<Troubleshooting Procedures>
Description
• 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.
Relevant Electric Parts
Fusing Unit
Thermistor (TH1)
Fusing Roller Heater Lamp (H1)
Controller/Mechanical Control Board (PWB-P)
Thermostat (TS1)
Power Unit (PU1)
Step
Action
Ref. Page
WIRING DIAGRAM
Control Signal
Location
(Electric Parts)
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).
–
–
–
Description
• The Scanner Home Position Sensor is not detected within the predetermined period of
time after the Scanner Motor has started turning.
Relevant Electrical Components
Scanner Motor (M4)
Controller/Mechanical Control Board (PWB-P)
Step
Action
Ref. Page
WIRING DIAGRAM
Control Signal
Location
(Electric Parts)
1
M4 operation check
–
–
2
Replace PWB-P.
–
–
–
Содержание Di1610
Страница 16: ...GENERAL...
Страница 24: ...MAINTENANCE...
Страница 34: ...DIS REASSEMBLY ADJUSTMENT...
Страница 82: ...CONTROL PANEL SERVICE MODE DESCRIPTIONS...
Страница 86: ...S 4 2 3 PWB IF Interface Board 4980S004AA USB port IEEE1284 parallel port...
Страница 106: ...TROUBLESHOOTING...
Страница 114: ...T 8 2 3 Locations of Misfeed Detection Sensors 4980M005AA Exit Sensor PS1 Paper Take Up Switch S1...
Страница 146: ...AF 11 Service Manual...
Страница 148: ...ii 1 The Original misfeeds T 7 3 TIMING CHART T 8...
Страница 149: ...GENERAL...
Страница 151: ...DIS REASSEMBLY ADJUSTMENT...
Страница 167: ...TROUBLESHOOTING...
Страница 176: ...PF 125 Service Manual...
Страница 178: ...GENERAL...
Страница 180: ...DIS REASSEMBLY ADJUSTMENT...