White lines across the page
Check the following points to resolve the issue.
- Select the appropriate media type in the printer driver.
(Not available for some models)
Select the appropriate media type in the menu setting.
- The issue may disappear by itself. Print multiple blank pages to clear this issue, especially if the machine has not been used for a long time.
Clean the drum unit.
> Click here to see how to clean the drum unit.
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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