The cleaning unit clears loose or excess toner from the page and the
printer’s drum. Replace the cleaning unit every 30,000 pages printed.
To replace the cleaning unit
1 Grasp the sides of the
printer’s front cover and
pull it down to open.
2 Push up the latch on the
left-hand side of the
printer and pull out the
internal compartment.
3 Locate the cleaning unit
release lever. Hold down
the side button on the
lever while turning it to
the left. Release the side
button and leave the
lever in the upright
position.