Canon NP6251 Service Manual page 368

6) Insert the drum rotating tool
position so that the drum will not rotate counterclockwise, and insert a screwdriver
into the center hole
Caution:
If you rotate the drum counterclockwise, the cleaning blade will be displaced in
relation to the drum, causing cleaning faults. Be sure to fix the drum in place before
removing the drum fixing screw.
Reference:
If you merely want to release the hopper assembly without removing it, open the
multifeeder door and the upper right door to allow for space in the front.
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into the cut
of the drum rotating tool, and remove the drum fixing screw.
Figure 7-411
CANON NP6350/NP6251 REV. 0 JULY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 7 EXTERNALS/AUXILIARY MECHANISMS
in the drum shaft. Fix the drum in
Drum shaft
7-19