6 - 23 TROUBLESHOOTING

HL7050_US_UG_FM5.5

Improving the print quality

This section provides information on the following topics:

Examples of poor
print quality Recommendation
Faint print
Check the printer's environment. Conditions such as
humidity, high temperatures, and so on may cause
this print fault. See Positioning the printer in
Chapter 1.
If the whole page is too light, the Toner Save Mode
may be on. Turn off Toner Save Mode in the printer
Properties tab of the driver.
Try using a new toner cartridge. See Replacing the
toner cartridge in Chapter 5.
You may clear the problem by wiping the scanner
window with a soft cloth. See Cleaning the inside of
the printer or the Maintenance Tutorial video on the
supplied CD-ROM.
Grey background
Make sure you use paper that meets the
recommended specifications. See What kind of
paper can I use? in Chapter 1.
Check the printer's environment - high temperatures
and high humidity can increase the amount of
background shading. See Positioning the printer in
Chapter 1.
Use a new toner cartridge. See Replacing the toner
cartridge in Chapter 5.
Ghost image
Make sure you use paper that meets our
specifications. Rough-surfaced paper, paper that
has absorbed moisture, or thick paper can cause this
problem. See What kind of paper can I use? in
Chapter 1.
Make sure that you choose the appropriate media
type in the printer driver. See What kind of paper can
I use? in Chapter 1.
Try using a new toner cartridge. See Replacing the
toner cartridge in Chapter 5.
Try using a new drum unit. See Replacing the drum
unit in Chapter 5.
Toner specks
Make sure that you use paper that meets our
specifications. Rough-surfaced paper may cause
the problem. See What kind of paper can I use? in
Chapter 1.
The toner cartridge may be damaged. Put in a new
toner cartridge. See Replacing the toner cartridge in
Chapter 5.
The drum unit may be damaged. Put in a new drum
unit. See Replacing the drum unit in Chapter 5.
ABCDEFGH
abcdefghijk
ABCD
abcde
01234
C
DE
F
d
ef
g

BC

b

c

d

2

3

ABCDEFGH
abcdefghijk
ABCD
abcde
01234
ABCDEFGH
abcdefghijk
ABCD
abcde
01234