White spots or hollow print – Brother HL 4570CDWT User Manual
Page 168
Troubleshooting
162
6
White spots or hollow print
Make sure that the media type setting in the driver matches the type of paper
you are using. (See Type and size of paper on page 2.)
Check the machine’s environment. Conditions such as high humidity can
cause white spots or hollow print.
Completely blank or some colors
are missing
Put in a new toner cartridge. (See Replacing the toner cartridges on page 97.)
To identify the color of the toner cartridge, visit us at
o view our FAQs and troubleshooting tips.
Put in a new drum unit. (See Replacing the drum unit on page 102.)
Colored spots at 94mm
If the problem is not solved after printing a few pages, the drum may have
foreign material, such as glue from a label, stuck on the drum surface. Clean
the drum unit. (See Cleaning the drum unit on page 125.)
Put in a new drum unit. (See Replacing the drum unit on page 102.)
Colored spots at 30mm
Identify the color causing the problem and put in a new toner cartridge. (See
Replacing the toner cartridges on page 97.)
To identify the color of the toner cartridge, visit us at
o view our FAQs and troubleshooting tips.
Examples of poor print quality
Recommendation
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
94 mm
(3.7 in.)
94 mm
(3.7 in.)
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
30 mm (1.2 in.)
30 mm (1.2 in.)