Service Call Conditions
M018/M019 3-16 SM Appendix
Zero Cross Frequency Error
The detection error occurs ten times consecutively in ten zero cross signal
detections. This error is defined when the detected zero cross signal is 17 or
less/27 or more for 0.2 seconds.
557
Defective fusing lamp relay
Unstable input power source
1. Check the power supply source.
2. Replace the fusing unit.
Execute "Engine Maintenance Menu" to recover the machine after
completing the recovery procedure. Otherwise, the machine continues to
issue this SC code and cannot be operated.
Consecutive Fusing Jam
The paper jam counter for the fusing unit reaches 3. The paper jam counter is
cleared if the paper is fed correctly.
This SC is activated only when this function is enabled with "Engine Maintenance"
(default "OFF").
559
Defective fusing unit
Defective fusing control
1. Clear this SC to send a command after a jam removal.
2. Turn off this function after a jam removal.
Execute "Engine Maintenance Menu" to recover the machine after
completing the recovery procedure. Otherwise, the machine continues to
issue this SC code and cannot be operated.
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