HL-5070N
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FAQs & Troubleshooting |
Vertical black lines appear on the printout.
Please check the following points:
-
Clean the primary corona wire of the drum unit. To see how to clean the corona wire of the drum unit, click here.
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Make sure the primary corona wire cleaner is at the home position.
- The toner cartridge may be damaged. Put in a new toner cartridge. To see how to replace the toner cartridge, click here.
- The drum unit may be damaged. Put in a new drum unit. To see how to replace the drum unit, click here.
- If you still cannot resolve the issue after taking countermeasures listed above, please call Brother Customer Service. Click here to go to "Contact us" page.
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