Samsung ProXpress C2620DW
Troubleshooting. Image quality 2
4. Dark or Black image
• Description : The black page is printed out.
Cause and Check Point | Solution |
---|---|
No charging voltage in the HVPS. | Check the connecting state between the Main PBA and HVPS. Reconnect the harness. |
Poor contact between toner cartridge and set contacts. | Clean the contacts as necessary. Replace any deformed or damaged contacts. |
HVPS1 is defective. | Replace the HVPS1. |
5. Blank Page
• Description : Blank page is printed.
Cause and Check Point | Solution |
---|---|
Bad contacts from OPC drum and/or toner cartridge to ground. | Check the terminal of Ground-OPC. |
Not working the LSU. | Check the connector of LSU. |
Not working the developing bias voltage on HVPS. | 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). |
6. Uneven Density
• Description : Print Density is uneven between left and right.
Cause and Check Point | Solution |
---|---|
The rear cover is not closed correctly. | Open and remove the rear cover correctly. |
The life of the Toner Cartridge has expired. | Replace the corresponding toner cartridge. |
The pressure force in the left and right springs of the ITB unit is not even. | Replace the ITB Unit |