138 colored lines across the page – Brother Fax Machine/Multi-Function Center MFC-9125CN User Manual

Page 154

138

Colored lines across the page



If colored lines appear at 1.2 in. (30 mm) intervals, replace the toner
cartridge that matches the color of the line. (See Replacing a Toner
cartridge on page 171.)



If colored lines appear at 3.7 in. (94 mm) intervals, put in a new drum
unit that matches the color of the line. (See Replacing the drum units
on page 177.)

White spots or hollow print



If the problem is not solved after printing a few pages, the drum unit
may be stained. Clean all four drum units. (See Small spots on the
printed pages in Cleaning the drum unit on page 162.)



Make sure that the media type settings in the printer driver and in the
machine's Paper Type menu matches the type of paper you are
using. (See Acceptable paper and other print media on page 18 and
Basic tab in the Software User's Guide on the CD-ROM.)



Check the machine

’

s environment. Conditions such as high humidity

can cause white spots or hollow print. (See Choosing a location
on page 108.)

Completely blank or some
colors are missing



Put in a new toner cartridge. (See Replacing a Toner cartridge
on page 171.)
To identify the color of the toner cartridge, visit us at
http://solutions.brother.com/ to view our FAQs and troubleshooting
tips.



Put in a new drum unit. (See Replacing the drum units on page 177.)
To identify the color of the drum unit, visit us at
http://solutions.brother.com/ to view our FAQs and troubleshooting
tips.

Colored spots at 94 mm



If the problem is not solved after printing a few pages, the drum unit
may have glue from a label stuck on the drum surface. Clean the
drum unit. (See Large spots on the printed pages on page 163.)



Put in a new drum unit. (See Replacing the drum units on page 177.)
To identify the color of the drum unit, visit us at
http://solutions.brother.com/ to view our FAQs and troubleshooting
tips.

Colored spots at 30 mm



Identify the color causing the problem and put in a new toner
cartridge. (See Replacing a Toner cartridge on page 171.)
To identify the color of the toner cartridge, visit us at
http://solutions.brother.com/ to view our FAQs and troubleshooting
tips.

Examples of poor print
quality

Recommendation

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

94 mm
(3.7 in.)
94 mm
(3.7 in.)

30 mm (1.2 in.)
30 mm (1.2 in.)

This manual is related to the following products:

MFC-9325CW MFC-9125CN