Brother HL-2400CEN User Manual

CHAPTER 6 TROUBLESHOOTING

6–17

Print Quality

✒ Note
You can resolve a print quality problem by replacing a toner cartridge
with a new one if the LCD indicates the ‘toner low’ or ‘toner empty’
message.

Question

Recommendation

White horizontal lines or bands
or rubbing

ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.

1) Check the printer is installed on a solid, level

surface.

2) Check the rear access cover is closed correctly.
3) Check the toner cartridges are installed correctly.
4) Shake the toner cartridges gently

Colors are light or unclear in
the whole page

1) Check the specified paper is used.
2) Check if the problem is solved after changing the

paper to freshly unpacked paper.

3) Check the rear access cover is closed correctly.
4) Shake the toner cartridges gently

White vertical streaks or bands

Check which color is missing and replace the toner
cartridge
*The toner has probably come to the end of its life.

However, when you see a white vertical line on the
toner roller, try the following procedure.

1. Cut a sheet approx. 50mm x 50mm out of a

transparency film.

2. Insert the film about 10mm into the gap between the

toner roller and the blade.

3. Slide the film and pull it out as shown below.