HL-8050N
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FAQs & Troubleshooting |
Vertical white lines appear on my prints.
![](/g/b/img/faqend/faq00000014_001/gb/en/90058/P355072A.gif)
Please check the following points:
- Is the toner cartridge properly installed in the printer? Make sure that the toner cartridge is installed properly.
- The transfer roll cartridge or fuser unit may be old or damaged. We recommend you replace them as necessary.
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Dirt may be on the laser window. Clean the laser window.
![](/g/b/img/faqend/faq00000014_001/gb/en/90057/8050N_188.gif)
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