6.Troubleshooting
194
SC No. Type
Error Name/Error Condition/Major Cause/Solution
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 connection between the laser unit and the EGB (PCB1).
2.
Check the PSU 24V output voltage.
3.
Replace the laser unit.
4.
Replace the EGB (PCB1).
5.
Replace the PSU (PCB4).
SC No. Type
Error Name/Error Condition/Major Cause/Solution
SC204-
00
D
Polygon mirror motor: Lock signal error
An error is detected during the polygon mirror motor rotation.
•
Polygon mirror motor or polygon motor driver defective
•
The interface harness to the polygon motor driver damaged or not connected
correctly
•
EGB (PCB1) defective
•
PSU (PCB4) defective (polygon power supply, fuse defective)
•
AC power supply voltage error
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 connection between the laser unit and the EGB (PCB1).
2.
Check the PSU 24V output voltage.
3.
Replace the laser unit.
4.
Replace the EGB (PCB1).
5.
Replace the PSU (PCB4).
SC No. Type
Error Name/Error Condition/Major Cause/Solution
SC220-
01
D
Laser synchronization detection error (K)
SC220-
02
D
Laser synchronization detection error (C)
The synchronization detection signal (periodic write/scan signal) absent during the
machine startup or printing after power is turned ON.
•
Laser unit defective (Synchronization detection board defective, LDB
defective)
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: ......