6.Troubleshooting
213
SC No.
Type
Error Name/Error Condition/Major Cause/Solution
the power after each step.
1.
Re-connect the connector of the pressure roller thermistor (end) (TH4)
harness.
2.
Replace the pressure roller thermistor (end) (TH4).
SC No. Type
Error Name/Error Condition/Major Cause/Solution
SC571-
11
D
Pressure roller thermistor (end) (TH4) disconnect error: Low voltage
After turning the fusing lamp ON, the pressure roller thermistor (end) has detected
-20 °C or less continuously for 28 seconds. AND the power supply voltage is lower
than specified voltage.
•
Pressure roller thermistor (end) (TH4) disconnected
•
Harness connector lose, broken, defective
Check if the SC occurs by turning the power OFF then ON. If the SC occurs again,
do the following steps. Check if the SC reoccurs by cycling the power after each
step.
1.
Check the input power source and reconnect the cable to the outlet.
2.
Re-connect the connector of the pressure roller thermistor (end) (TH4)
harness.
3.
Replace the pressure roller thermistor (end) (TH4).
4.
If the problem is low voltage, ask the client to connect the machine directly to
a rated power source and to refrain from using extension cords.
SC No.
Type
Error Name/Error Condition/Major Cause/Solution
SC572-
02
A
No reload temperature of the pressure roller thermistor (end) (TH4)
After turning the fusing lamp ON, the pressure roller thermistor (end) has failed to
reach -40 °C continuously for 30 seconds.
•
Thermistor is deformed or not in contact
•
Power supply voltage low
•
Overheating protection device triggered (blown fusing thermostat)
•
Fusing drive non-rotation
Enter the SP mode and execute fuser SC reset. Then turn the machine OFF and
ON.
If the SC occurs again, do the following steps. Check if the SC reoccurs by cycling
the power after each step.
1.
Check the input power source and reconnect the cable to the outlet.
2.
Replace the pressure roller thermistor (end) (TH4).
3.
Replace the fusing thermostat (TH1).
Содержание M C250FW
Страница 2: ......
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Страница 34: ...3 Preventive Maintenance 22 to remove any remaining moisture ...
Страница 45: ...4 Replacement and Adjustment 33 6 Release the belt A and then remove the front cover unit B ...
Страница 103: ...4 Replacement and Adjustment 91 MF model 11 Remove the fusing transport drive unit A ...
Страница 112: ...4 Replacement and Adjustment 100 MF model 8 Remove the belt cover A ...
Страница 114: ...4 Replacement and Adjustment 102 12 On the MF model only remove the FFC harness guide A 13 Remove the duplex motor M5 A ...
Страница 117: ...4 Replacement and Adjustment 105 MF model 3 On the MF model only remove the USB dongle A and interface cover B ...
Страница 123: ...4 Replacement and Adjustment 111 MF model 3 On the MF model only remove the USB dongle A and interface cover B ...
Страница 183: ...5 System Maintenance 171 8 Press OK on the screen or press on the number keys to exit ...
Страница 188: ...5 System Maintenance 176 Special Sender List Configuration Page Printer model ...
Страница 189: ...5 System Maintenance 177 MF model ...
Страница 191: ...5 System Maintenance 179 MF model The following contents can be confirmed in the Maintenance Report ...
Страница 260: ...6 Troubleshooting 248 Flowchart ...
Страница 271: ...7 Detailed Descriptions 259 ...
Страница 297: ...7 Detailed Descriptions 285 Boards Block Diagram Printer Model ...
Страница 301: ......