| Cause/Section |
Step |
Check Item |
Measures |
| |
1 |
Perform the Forced performing of color registration control adjustment (FS-05-4719). |
Has it ended normally? When CA00 occurs: → Proceed to [CA00] troubleshooting. |
| 2 |
Test printing (A3/LD) |
Output the built-in grid pattern |
| Drum rotation abnormality |
3 |
Check the drum motor operation in the test mode (FS-03 TEST MODE) to see if there is any rotation abnormality of the drum. |
Replace the drum TBU motor. |
| 4 |
Check the drum TBU motor operation in the test mode (FS- 03 TEST MODE) to see if there is any rotation abnormality of the drum. |
Reconnect the connectors. Replace the harnesses. Replace the LGC board. |
| Inadequate drum TBU motor rotation speed |
5 |
Check the value set for drum TBU motor rotation speed. (Is the value significantly different from the default value?) |
Reset drum TBU motor speed to 128. |
| Drum coupling and coupling on the equipment side |
6 |
Loose coupling, damage, deformation |
Check if they are installed properly or replace the couplings. |
| Transfer belt |
7 |
Deformation or damage of the transfer belt or stains on the transfer belt. |
Clean or replace the transfer belt. |
| 8 |
Are the gears on the transfer belt side loosen, damaged or deformed? |
Tighten the screws if they loosen, or replace the gears. |
| 9 |
Stain or damage of the drive roller |
Clean or replace the drive roller. |
| 10 |
Does the rib of the transfer belt overlap the collar on both edge of the drive roller? |
Adjust the position of the transfer belt. |
| 11 |
Is the belt edge damaged or stained? |
Clean or replace the transfer belt. |
| 12 |
Peeling of the cleaning blade (Large driving load) |
Replace the cleaning blade. |
| 13 |
Is the transfer belt unit installed normally?
(Is the unit properly grounded?) |
Check and correct the installing. |
| High-voltage transformer |
14 |
Check the connection of the high-voltage supply terminal of the 1st or 2nd transfer rollers. |
Correct or replace the terminal if it is loosened or damaged. |