HL-7050
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FAQs & Troubleshooting |
![](/g/b/img/product/hl7050_all.jpg)
HL-7050
Date: 26/04/2013 ID: faq00000006_013
Vertical black lines appear on the printout.
![](/g/b/img/faqend/faq00000006_013/eu_ot/en/90024/Black_lines.gif)
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.
![](/g/b/img/faqend/faq00000006_013/eu_ot/en/6403/chap0535.gif)
- 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.
Related FAQs
HL-7050, HL-7050N
If you need further assistance, please contact Brother customer service:
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