Canon imageRUNNER ADVANCE C5000 Series Technical Workbook page 236

YMC
[Caution] When installing the hopper unit (Bk), perform the following procedure to
install the toner supply mouth pointing upward.
1) Check that the black developing assembly pressure lever is pulled. Fit teeth [A] of
the rail cover (rear) [1] and teeth [B] of the gear [2] together and then push in the
rail cover (rear) until it stops.
2) With the toner mouth [a] rotated and held until it pushes against the stop, be sure
that the 3 bosses [2] and 1 hook [3] of the hopper unit (Bk) [1] are fully inserted
before tightening the screws in the order of [4], [5] and [6].
[Reference] To ensure that the toner supply mouth has been pushed in until it stops,
check that the line [A] on the pipe of the hopper unit (Bk) and the line [B] on the
toner supply mouth are aligned with each other.
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