See cleaning the paper pick-up roller, Caution, Cleaning the machine’s printer platen – Brother MFC 6890CDW User Manual
Page 169: Cleaning the paper pick-up roller

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Cleaning the machine’s
printer platen
B
CAUTION
Be sure to unplug the machine from the
electrical socket before cleaning the printer
platen.
a
Using both hands, use the finger holds
on both sides of the machine to lift the
scanner cover until it locks securely into
the open position.
b
Clean the machine’s printer platen (1)
and the area around it, wiping off any
scattered ink with a soft, dry, lint-free
cloth.
Cleaning the paper pick-up
roller
B
a
Pull the paper trays completely out of
the machine.
b
Unplug the machine from the electrical
socket and open the Outer Rear
Cover (1) and Inner Rear Cover (2) from
the back of the machine.
c
Slightly moisten a soft, lint-free cloth
with water. Thoroughly wring the cloth
before using.
d
Clean the paper pick up rollers (1) with
the cloth, using a side-to-side motion.
Slowly turn the rollers so that the whole
surface is cleaned.
e
Use a dry, soft, lint free cloth to dry the
rollers, using a side-to-side motion.
Slowly turn the rollers so that the whole
surface is dried.
f
Close the Inner Rear Cover and the
Outer Rear Cover.
Make sure the cover is closed correctly.
1
1
2
1