White lines, bands or ribbing across the page
Check the following points to resolve the issue.
- Check the machine's environment. Conditions such as high humidity and high temperatures may cause this print quality issue. Refer to Product Safety Guide available on the Manuals section.
Clean the drum unit.
> Click here to see how to clean the drum unit.
If the issue is not resolved after printing a few pages, replace the drum unit with a new drum unit.
> Click here to see how to replace the drum unit.
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