MFC-7480D
常见问题解答与故障排除 |
Black toner marks across the page
Check the following points to resolve the issue:
-
If you use label sheets for laser printers, the glue from the sheets may sometimes stick to the drum surface. Clean the drum unit.
> Click here to see how to clean the drum unit. - If you used paper that has clips or staples, the drum unit may be damaged.
- If the unpacked drum unit is in direct sunlight (or room light for long periods of time), the unit may be damaged.
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Clean the drum unit.
> Click here to see how to clean the drum unit. -
The toner cartridge may be damaged. Replace the toner cartridge with a new toner cartridge.
> Click here to see how to replace the toner cartridge. -
The drum unit may be damaged. Replace the drum unit with a new drum unit.
> Click here to see how to replace the drum unit.
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