HL-4070CDW
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FAQs & Troubleshooting |
Uneven density appears periodically in an horizontal direction.
![](/g/b/img/faqend/faq00002309_001/gb/en/8351/density1.gif)
- Identify the colour that is uneven and put in a new toner cartridge for that colour.
- Put in a new drum unit.
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