6.Troubleshooting
212
SC No.
Type
Error Name/Error Condition/Major Cause/Solution
•
TRIAC short
•
EGB (PCB1) defective
•
Pressure roller thermistor (center) (TH3) 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 Pressure roller thermistor (center) (TH3).
SC No. Type
Error Name/Error Condition/Major Cause/Solution
SC564-
00
A
High-temperature hardware error (pressure roller thermistor (center) (TH3))
After the initial setting is completed at startup or returning from energy saver mode,
the pressure roller thermistor (center) has detected over 240 °C continuously for
0.03 seconds.
•
TRIAC short
•
EGB (PCB1) defective
•
Pressure roller thermistor (center) (TH3) 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 Pressure roller thermistor (center) (TH3).
SC No.
Type
Error Name/Error Condition/Major Cause/Solution
SC571-
01
A
Pressure roller thermistor (end) (TH4) disconnect error
After turning the fusing lamp ON, the pressure roller thermistor (end) has detected
-20 °C or less continuously for 28 seconds.
•
Pressure roller thermistor (end) (TH4) disconnected
•
Harness connector lose, broken, 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
Summary of Contents for M C250FW
Page 2: ......
Page 8: ......
Page 12: ......
Page 34: ...3 Preventive Maintenance 22 to remove any remaining moisture ...
Page 45: ...4 Replacement and Adjustment 33 6 Release the belt A and then remove the front cover unit B ...
Page 103: ...4 Replacement and Adjustment 91 MF model 11 Remove the fusing transport drive unit A ...
Page 112: ...4 Replacement and Adjustment 100 MF model 8 Remove the belt cover A ...
Page 183: ...5 System Maintenance 171 8 Press OK on the screen or press on the number keys to exit ...
Page 188: ...5 System Maintenance 176 Special Sender List Configuration Page Printer model ...
Page 189: ...5 System Maintenance 177 MF model ...
Page 260: ...6 Troubleshooting 248 Flowchart ...
Page 271: ...7 Detailed Descriptions 259 ...
Page 297: ...7 Detailed Descriptions 285 Boards Block Diagram Printer Model ...
Page 301: ......