Toner life end

Replace the toner cartridge with a new one. See Replacing the toner cartridge.

Cartridge position error

The drum unit assembly is not installed correctly. Take the drum unit out of the machine and put it back in.

Drum life end soon

The drum unit is near the end of its life. We recommend that you get a new drum unit to replace the current one. See Replacing the drum unit.

The Drum LED will turn on for 2 seconds and off for 3 seconds.

No paper

Put paper in the tray. Then press Go. See Printing on plain paper, bond paper and transparencies or Printing on thick paper, labels and envelopes .

Paper jam

Clear the paper jam. See Paper jams and how to clear them. If the printer does not start printing, press Go.

Incorrect Paper size for Duplex (For HL‑5250DN)

Prees Go or Job Cancel. Set the correct paper that you want to use, or load the same size paper that you selected in the current driver setting. The paper size you can use for automatic duplex printing is A4, Letter or Legal.

Duplex disabled

Close the back cover of the printer and put the duplex tray back in.

Front cover is open

Close the front cover of the printer.

Fuser cover is open

Close the fuser cover which can be found behind the back cover of the printer.

Dust on drum

The corona wire needs to be cleaned. See Cleaning the corona wire.

Too many trays

Maximum number of optional trays is two. Remove additional trays.

Buffer error

Check the cable connection between the PC and printer.

Memory full

The printer memory is full and the printer cannot print full pages of a document. See Solving print problems.

Print overrun

A print overrun occurred and the printer cannot print full pages of a document. See Solving print problems.

Download full

The download buffer of the printer is full. Add more memory to the printer. See Installing extra memory.

Font full

The font memory area is full. Delete fonts or add more memory to the printer. See Installing extra memory.