Overview
The print quality defect sample below is called 'white gapping or light edge'. This issue can occur in any color, but will most probably be seen in the black color. Either the toner cartridge or the photoconductor being incorrectly seated are the most probable causes of this issue.
Print Defect Sample
White Gapping (Color) | White Gapping (Black) |
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This article will help you confirm the problem. Please refer to the directions in the table below to help determine which hardware part is causing the issue.
Troubleshooting
Steps | Actions |
1 | Power off the printer. Then remove the Imaging Unit. Note: Instructions for replacing supplies can also be found in the User's Guide. |
2 | Power off the printer. Remove and reseat the affected color's photo developer and cartridge. Power on the printer again and print a test page. Did the error return? Yes: Continue to Step 3.No: The issue is resolved. Note: Instructions for replacing supplies can also be found in the User's Guide. |
3 | Check for any internal packaging materials that have been left in the printer. Remove any such packaging you find. |
4 | Try installing a new developer unit. If the issue persists thereafter, try installing a new the photoconductor unit. |
5 | If issue persists after performing the steps mentioned above, an issue may exist within the machine's hardware. Please contact Lexmark Technical Support for other troubleshooting suggestions. |
- Check developer hold downs on drive side (See Step 3 in KB
- If re-seating supplies does not fix problem, replace the Photoconductor Unit (PCU) and corresponding color developer unit.
IMPORTANT! The part numbers listed are correct as of October 2012. Please confirm by checking the updated part number at Lexmark Parts Store whether they are still current before ordering.
Parts to send on first service call:
- Part #: 70C0P00 — Photoconductor Unit
- Part #: 70C0D10 — Black Developer Unit
- Part #: 70C0D20 — Cyan Developer Unit
- Part #: 70C0D30 — Magenta Developer Unit
- Part #: 70C0D40 — Yellow Developer Unit
- Part #: 70C0Z10 — Black Imaging Kit
- Part #: 70C0Z50 — Color Imaging Kit
LEGACY ID: SO7196