Printouts are with gray background.
Please check the following points:
Make sure you use paper that meets the recommended specifications. To see what kind of paper you can use, click here.
Check the printer's environment - high temperatures and high humidity can increase the amount of background shading.
Use a new toner cartridge. To see how to replace the toner cartridge, click here.
Use a new drum unit. To see how to replace the drum unit, click here.
If you need further assistance, please contact Brother customer service:
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