Canon imageRUNNER ADVANCE C5000 Series Technical Workbook page 50

[Caution] When installing the hopper unit (Bk), perform the following procedure to install the hopper unit (Bk)
with 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.
[Reference] The photo shows the position of the black developing assembly pressure lever [a].
2) With the toner mouth [a] rotated 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].
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