Brother MFC-9330CDW Basic User's Manual page 145

Examples of poor print quality
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz. ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz. ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz. ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz. ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
Color misregistration
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
Uneven density appears
periodically across the page
W X Y Z
A
B
C
D
E
Missing thin lines in images
Recommendation

Make sure the machine is on a solid level surface.

Perform the auto color registration using the Touchscreen
(see Advanced User's Guide: Auto Registration).

Identify the color causing the problem and install a new drum
unit (see Replacing the drum units on page 83).
To identify the color of the drum unit, visit us at
http://solutions.brother.com/ to view our FAQs and
troubleshooting tips.

Install a new belt unit (see Replacing the belt unit
on page 88).

Perform the calibration using the Touchscreen or the printer
driver (see Advanced User's Guide: Calibration).

Adjust the copy density and contrast if you are copying
(see Advanced User's Guide: Adjusting Density and
Contrast).

Clear the Improve Gray Color check box in the printer
driver. (See Software User's Guide.)

Identify the color causing the problem and put in a new toner
cartridge (see Replacing the toner cartridges on page 73).
To identify the color of the toner cartridge, visit us at
http://solutions.brother.com/ to view our FAQs and
troubleshooting tips.

Identify the color causing the problem and install a new drum
unit (see Replacing the drum units on page 83).
To identify the color of the drum unit, visit us at
http://solutions.brother.com/ to view our FAQs and
troubleshooting tips.

Make sure Toner Save mode is off in the Touchscreen or the
printer driver (see Software User's Guide).

Change the print resolution.

If you use a Windows printer driver, choose
Improve pattern printing in Print Setting of Basic tab
(see Software User's Guide).
Troubleshooting
135
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