Troubleshooting and routine maintenance
135
C
White Spots on black text
and graphics at
3.7 in.
(94 mm) intervals
Black Spots at 3.7 in.
(94 mm) intervals
Make ten copies of a blank, white sheet of paper. (See
on page 84.) If the problem is not solved, the drum
unit may have glue from a label stuck on the OPC drum surface.
Clean the drum unit. (See
The drum unit may be damaged. Put in a new drum. (See
Faint
Check the machine’s environment. Conditions such as humidity, high
temperatures, and so on, may cause this print fault. (See
If the whole page is too light, Toner Save mode may be on. Turn off
Toner Save mode in the machine menu settings or
Toner Save
mode
in the printer
Properties
of the driver. (See
or
Advanced tab
in the
Software User’s Guide
on the CD-ROM.)
Clean the scanner window and the corona wire of the drum unit. (See
Cleaning the laser scanner window
The toner cartridge may be damaged. Put in a new toner cartridge.
(See
The drum unit may be damaged. Put in a new drum unit. (See
Toner specks
Make sure that you use paper that meets our specifications. Rough-
surfaced paper may cause the problem. (See
Clean the corona wire and the drum unit. (See
The drum unit may be damaged. Put in a new drum unit. (See
The fuser unit may be contaminated. Call Brother Customer Service
at 1-877-BROTHER (1-877-276-8437)
(in USA)
or 1-877-BROTHER
(in Canada)
.
Examples of poor print
quality
Recommendation
ABCDEFGH
abcdefghijk
A B C D
a b c d e
0 1 2 3 4
CDEF
defg
B C
b c d
2 3
ABCDEFGH
abcdefghijk
A B C D
a b c d e
0 1 2 3 4
Summary of Contents for MFC 8890DW - B/W Laser - All-in-One
Page 16: ...xiv ...
Page 98: ...Chapter 11 82 ...
Page 99: ...Section III Copy III Making copies 84 ...
Page 114: ...Chapter 13 98 ...
Page 115: ...Section V Software V Software and Network features 100 ...
Page 118: ...Chapter 14 102 ...