Brother MFC-8380DN User Manual

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Envelope creases
„
Make sure that the envelope levers inside the back cover are pulled 
down when you print the envelopes.
 
 
Curled or wavy
„
Check the paper type and quality. High temperatures and high 
humidity will cause paper to curl.
„
If you do not use the machine often, the paper may have been in the 
paper tray too long. Turn over the stack of paper in the paper tray. 
Also, fan the paper stack and then rotate the paper 180° in the paper 
tray.
Examples of poor print 
quality
Recommendation
ABCDEFG
EFGHIJKLMN