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6. Troubleshooting
Low Temperature Error
The center thermistor detects 90°C or less for 4 seconds.
• Defective fusing lamp
• Defective thermistor
548
1. Replace the fusing unit.
A
2. Replace the fusing lamp.
• Execute "SC Reset; Fusing SC" with SP5-810-001 to recover the machine after
completing the recovery procedure. Otherwise, the machine continues to issue this SC
code and cannot be operated.
Zero Cross Frequency Error
The detection error occurs ten times consecutively in ten zero cross signal detections. This error
6
is defined when the detected zero cross signal is 17 or less/27 or more for 0.2 seconds.
557
• Defective fusing lamp relay
D
• Unstable input power source
1. Check the power supply source.
2. Replace the fusing unit.
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 "Fuser SC Detect" in the SP Mode
559
2 tab.
D
• 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.
200
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