Brother HL 3070CW User Manual
Page 167
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Troubleshooting
157
6
Colored spots at 30mm
Identify the color causing the problem and put in a new toner cartridge. (See
Replacing the toner cartridges on page 105.)
To identify the color of the toner cartridge, visit us at
Toner scatter or toner stain
Check the printer’s environment. Conditions such as high humidity and high
temperatures may cause this print quality problem. (See To use the printer
safely on page ii.)
Identify the color causing the problem and put in a new toner cartridge. (See
Replacing the toner cartridges on page 105.)
To identify the color of the toner cartridge, visit us at
If the problem continues, put in a new drum unit. (See Replacing the drum
units on page 113.)
To identify the color of the drum unit, visit us at
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.
30 mm (1.2 in.)
30 mm (1.2 in.)
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.
ABCDEFGHIJKLMNOPQRSTUVWXYZ. 0123456789. abcdefghijklmnopqrstuvwxyz.