Toshiba e-Studio 3555C
Troubleshooting. Image 1. Color deviation
Symptoms
Original mode | Location | Phenomena |
---|---|---|
All modes | Color blurred in outline of white text or illustration on a colored background | Color deviation |
Text Mode, Text/Photo Mode | Outline in black text on a colored background | White void |
Photo Mode, Map Mode | Color blurred in outline of line or tex | Color deviation |
Procedure
Cause/Section | Step | Check Item | Measures |
---|---|---|---|
1 | Perform the Forced performing of color registration control adjustment (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 (03) 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 (03) 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. |