Samsung SLC480FN
Troubleshooting. Image quality 3
7. Horizontal Bands
• Description : Dark or white horizontal stripes appear in the page. (These may occur at regular intervals down the page.)
| Cause and Check Point | Solution |
|---|---|
| The developing roller, OPC drum or other rollers in the toner cartridge may be contaminated or deformed. | Replace the corresponding toner cartridge. |
| Bad contacts of HV terminals of the toner cartridge with high voltage terminals from printer set. | Clean all HV terminals in the cartridge and on the set frame. Ensure all toner or paper dust, particles are removed. |
NOTE
Roller Period for Horizontal Problem
| Roller Description | Band Period (mm) | Defective part |
|---|---|---|
| Pressure Rolle | 69.08 mm | Fuser Unit |
| Charge roller | 26.7 mm | Toner Cartridge |
| OPC drum | 75.4 mm | |
| Developing roller | 27.5 mm | |
| Supply roller | 37 mm |
8. Poor Fusing
• Description : Toner is not properly fixed on paper.
| Cause and Check Point | Solution |
|---|---|
| The media doesn’t meet specification | Use the proper media in specifications. |
| Fuser is defective | Replace the fuser unit. |
9. Light Image
• Description : The printed image is light, with no ghost.
| Cause and Check Point | Solution |
|---|---|
| The toner cartridge life is expired. | Check the toner remaining and replace the related toner cartridge. |
| HVPS terminal is contaminated. | Clean the contaminated terminal. |
| The output from the HVPS is abnormal. | Replace the defective HVPS. NOTE HVPS output information - If the output for MHV, DEV is abnormal, replace the HVPS1 (JC44–00242A). - If the output for 1THV, 2THV is abnormal, replace the HVPS2 (JC44–00243A). |