HL-2040
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常见问题解答与故障排除 |
Printouts are with gray background.
![](/g/b/img/faqend/faq00000165_005/cn_ot/en/91626/Grayback.gif)
Please check the following points:
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Make sure that you use paper that meets the recommended specifications. To see what kind of paper you can use, click here.
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Check the printer's environment - high temperatures and high humidity can increase the amount of background shading.
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Use a new toner cartridge. To see how to replace the toner cartridge, click here.
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Use a new drum unit. To see how to replace the drum unit, click here.
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