Service manual

SC544: Fusing (hot roller) low temperature
Type: 1
- Description -
The main control board notifies the SCU when the fusing (hot roller)
thermistor outputs an analog value corresponding to 90
°
C after it had
previously reached the ready temperature.
- Detection Timing -
Always
- Possible Causes -
• Fusing (hot roller) thermistor
• Main control board
SP-Log: 7-402-5
SC545: Fusing (hot roller) ready temperature abnormal
Type: 1
- Description -
The main control board notifies the SCU when the fusing (hot roller)
thermistor outputs an analog value corresponding to a temperature
lower than the ready temperature for 6 minutes or more after it had
previously reached the ready temperature.
- Detection Timing -
Always
- Possible Causes -
• Fusing (hot roller) thermistor
• Main control board
SP-Log: 7-402-5
SC547: Fusing (hot roller) temperature does not increase
Type: 1
- Description -
The main control board notifies the SCU when the output of the fusing
(hot roller) thermistor increases by no more than 3
°
C for a minute
during warming up after the power switch is turned on.
- Detection Timing -
When the power switch is turned on
- Possible Causes -
• Fusing (hot roller) thermistor
• Main control board
SP-Log: 7-402-5
Trouble-
shooting
SERVICE CALL CONDITIONS
SM 6-19 A166/A187/A189
CÓPIA NÃO CONTROLADA
CÓPIA NÃO CONTROLADA