Samsung SLM2875FD
Troubleshooting. Image quality 3
7. Uneven Density
• Description : Print density is uneven between left and right.
| Probable Cause | Solution |
|---|---|
| • The pressure force on the left and right springs of the transfer roller is not even. • The springs are damaged. • The transfer roller is improperly installed. |
1) Remove the transfer roller Assy. 2) Check if the transfer roller Assy has any wrong part. 3) Replace the transfer roller Assy. |
| The toner level is not even on the imaging unit roller due to the bad blade. | Replace the laser toner cartridge or imaging unit. |
8. Background
• Description : Light dark background appears in whole area of the printing.
| Probable Cause | Solution |
|---|---|
| Does recycle paper be used? | Use the proper papers. |
| The life of the imaging unit has been expired | Replace the imaging unit. |
| The output from the HVPS is abnormal. | Replace the HVPS board. |
9. Ghost
• Description : Ghost occurs.
| Probable Cause | Solution |
|---|---|
| The high voltage terminal is contaminated. | Clean the high voltage terminals. |
| The life of the laser toner cartridge or imaging unit has been expired | Replace the laser toner cartridge or imaging unit. |
| The life of the transfer roller has been expired. | Replace the transfer roller. |