Brother MFC-L6900DW - Page 140

2-105
Confidential
(2) Turn the drum unit gear by hand so that the glued exposure drum surface comes to the
front.
Fig. 2-16
(3) If the position of the dirt on the drum and the dots on the print sample matches, wipe the
exposure drum surface with a cotton bud until the dirt and paper dust comes off.
Fig. 2-17
Note:
• Do not clean the exposure drum surface with anything sharp like a ball pointed pen.