Brother HL-8050N - Manual (Page 112)

TROUBLESHOOTING 5 - 6
Print Quality Problems
Blank or Completely Black Pages are Output
Symptom Possible Cause Action
Nothing is printed The seal of the toner cartridge is not pulled
out. Pull out the seal.
See Replacing the Toner Cartridge
(TN-1700) on page 6-1.
Two or more sheets may be feeding at
once. Remove the paper stack from the tray, fan
it, and put it back in the tray.
The toner cartridge is old or damaged. Replace the toner cartridge.
See Replacing the Toner Cartridge
(TN-1700) on page 6-1.
The toner cartridge is not correctly set. Reset the toner cartridge correctly.
See Replacing the Toner Cartridge
(TN-1700) on page 6-1.
The power supply is defective. Contact your dealer or Brother Customer
Service.
Output sheets are
completely black The toner cartridge is old or damaged. Replace the toner cartridge.
See Replacing the Toner Cartridge
(TN-1700) on page 6-1.
The power supply is defective. Contact your dealer or Brother Customer
Service.