HL-5240
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FAQs & Troubleshooting |
My prints are completely black.
![](/g/b/img/faqend/faq00000003_007/gb/en/90010/all_black.gif)
Please check the following points:
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Clean the primary corona wire inside the drum unit by sliding the blue tab, be sure to return the blue tab to the home position.
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The drum unit may be damaged, put in a new drum unit. The fuser unit may be contaminated. Contact Brother Customer Service.
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