6.Troubleshooting
205
SC No. Type
Error Name/Error Condition/Major Cause/Solution
SC544-
00
A
High-temperature hardware error (fusing thermopile (TH2))
After the initial setting is completed at startup or returning from energy saver mode,
the fusing thermopile has detected over 250 °C continuously for 0.03 seconds.
•
TRIAC short
•
EGB (PCB1) defective
•
Fusing thermopile (TH2) defective
•
Fusing temperature control software crashed
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).
SC No.
Type
Error Name/Error Condition/Major Cause/Solution
SC545-
01
A
Fusing lamp remains ON
After reaching reload temperature, the fusing lamp remained on for more than 4
seconds at full power.
•
Fusing thermopile (TH2) output abnormal
•
Fusing lamp disconnected
•
Overheating protection device triggered (blown fusing thermostat)
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.
Replace the fusing thermopile (TH2).
2.
Replace the fusing thermostat (TH1).
3.
Replace the fusing sleeve belt unit.
SC No. Type
Error Name/Error Condition/Major Cause/Solution
SC545-
11
D
Fusing lamp remains ON: Low voltage
After reaching reload temperature, the fusing lamp remained on for more than 4
seconds at full power. AND the power supply voltage is lower than specified
voltage.
•
Fusing thermopile (TH2) output abnormal
•
Fusing lamp disconnected
Содержание M C250FW
Страница 2: ......
Страница 8: ......
Страница 12: ......
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: ......