Canon imagePRESS 1135 Series Troubleshooting Manual page 85

<Work procedure 1-7>
15) Remove the front bearing from the primary transfer roller unit.
16) Remove the primary transfer roller.
17) Remove the bearing [1] on the rear side.
CAUTION:
When removing the bearing [1] on the rear side, be careful not to deform or damage its Contact Spring [2].
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