柯美C360復印機出現(xiàn)C-3821代碼
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柯美C360復印機出現(xiàn)C-3821代碼，Code C3821 (定影低溫錯誤)
Description
Fusing abnormally low temperature detection (heating side)
The heating roller thermistor continues to detect a temperature lower than a predetermined one for a predetermined period of time.
In the states other than a warm-up operation, a zero cross signal cannot be detected after the lapse of a predetermined period of time after the fusing heater is turned ON o r OFF.
The power supply frequency cannot be detected.
Remedy
1 Check the fusing unit for correct installation (whether it is secured in position).
2 Check the open/close operation of the upper right door.
3 Check the fusing unit, PRCB an d DCPU for proper connection an d correct o r change as necessary.
4 Change fusing unit.
5 Change PRCB.
6 Change DCPU.
Description
Fusing abnormally low temperature detection (heating side)
The heating roller thermistor continues to detect a temperature lower than a predetermined one for a predetermined period of time.
In the states other than a warm-up operation, a zero cross signal cannot be detected after the lapse of a predetermined period of time after the fusing heater is turned ON o r OFF.
The power supply frequency cannot be detected.
Remedy
1 Check the fusing unit for correct installation (whether it is secured in position).
2 Check the open/close operation of the upper right door.
3 Check the fusing unit, PRCB an d DCPU for proper connection an d correct o r change as necessary.
4 Change fusing unit.
5 Change PRCB.
6 Change DCPU.
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