6.Troubleshooting
204
SC No.
Type
Error Name/Error Condition/Major Cause/Solution
3.
Replace the fusing thermostat (TH1).
SC No. Type
Error Name/Error Condition/Major Cause/Solution
SC542-
12
D
No reload temperature of the fusing thermopile (TH2): Low voltage
After turning the fusing lamp on, the fusing thermopile has failed to reach the
reload temperature (96 °C) continuously for 8.6 seconds. AND the power supply
voltage is lower than specified voltage.
SC542-
13
D
No reload temperature of the fusing thermopile (TH2): Low voltage
After reaching reload temperature, the fusing thermopile has failed to reach the
reload temperature (96 °C) continuously for 19.8 seconds. AND the power supply
voltage is lower than specified voltage.
•
Thermopile lens dirt
•
Power supply voltage low
•
Overheating protection device triggered (blown fusing thermostat)
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.
Replace the fusing thermopile (TH2).
3.
Replace the fusing thermostat (TH1).
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
SC543-
00
A
High-temperature software error (fusing thermopile (TH2))
240°C was detected continuously for 1 sec.
•
TRIAC short
•
EGB (PCB1) defective
•
Fusing thermopile (TH2) defective
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.
If TRIAC damaged, replace PSU (PCB4).
2.
Replace the EGB (PCB1).
3.
Replace the fusing thermopile (TH2).
Содержание M C250FW
Страница 2: ......
Страница 8: ......
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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: ......