Remove the following covers.
Left upper cover (Left Upper Cover)
Left rear cover (Left Rear Cover)
Remove the paper feed tray [A] by pulling it out.
Open the waste toner bottle cover [A], and then remove the waste toner bottle [B].
Release the hook by lifting the left middle cover [A] upward.
Release the hooks in the order of
,
, and
.
Remove the left middle cover [A] and waste toner bottle cover [B].
Be careful not to damage the hooks on the inside of the left middle cover when you remove or install the left middle cover.