Printouts are with gray background.
Please check the following points:
Make sure that you use paper that meets our specifications.
To see what kind of paper you can use, click here.
Check the printer's environment. Conditions such as high temperatures and high humidity can increase the amount of background shading.
Put in a new toner cartridge.
To see how to replace the toner cartridge, click here.
Put in 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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