Canon imagePRESS 1135 Series Troubleshooting Manual page 227

<Work procedure 2-12>
14) Be sure to install the Drum Shaft Unit which is a remedy part.
- 3 Screws
15) Apply grease about the amount of 1/4 rice grain (about 10mg) to the leading edge of the C ring.[A]
CAUTION:
- Be sure to attach the Positioning Plate so that its long hole [1] comes on the lower right side.
- Be sure to tighten the screw for the long hole [1] first (tighten those for the other 2 locations in any order).
A
REAR
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