Check the following points to resolve the issue:
Check the machine's environment. Conditions such as low humidity and low temperatures may cause this print quality issue.
Refer to Product Safety Guide available on the Manuals section.
- Select the appropriate media type in the printer driver.
- Select the appropriate media type in the menu setting.
Clean the drum unit.
> Click here to see how to clean the drum unit.
Replace the drum unit with a new drum unit.
> Click here to see how to replace the drum unit.
Replace the toner cartridge with a new toner cartridge.
> Click here to see how to replace the toner cartridge.
- The fuser unit may be contaminated. Contact Brother Customer Service from "Contact Us."
DCP-L5500DN, DCP-L5502DN, DCP-L5600DN, DCP-L5602DN, DCP-L5650DN, DCP-L5652DN, DCP-L6600DW, HL-L5000D, HL-L5100DN, HL-L5102DW, HL-L5200DW(T), HL-L5202DW, HL-L6200DW(T), HL-L6202DW, HL-L6250DW, HL-L6300DW, HL-L6400DW(T), HL-L6402DW, MFC-L5700DW, MFC-L5702DW, MFC-L5705DW, MFC-L5800DW, MFC-L5802DW, MFC-L5850DW, MFC-L5900DW, MFC-L5902DW, MFC-L6700DW, MFC-L6702DW, MFC-L6750DW, MFC-L6800DW, MFC-L6900DW, MFC-L6902DW