![Brother 8840DN - B/W Laser - All-in-One User Manual Download Page 182](http://html.mh-extra.com/html/brother/8840dn-b-w-laser-all-in-one/8840dn-b-w-laser-all-in-one_user-manual_53051182.webp)
12 - 21
TROUBLESHOOTING AND ROUTINE MAINTENANCE
Wrinkles or creases
Make sure that paper is loaded properly.
Check the paper type and quality. (See
Try printing using the straight-through output path. (See
Turn over the stack of paper in the tray or try rotating the paper 180° in
the input tray.
The drum unit is a consumable item and it is necessary to
replace it periodically.
Examples of poor print
quality
Recommendation
B DEFGH
abc efghijk
A
C D
b c d e
1 3 4