Canon imagePRESS 1135 Series Troubleshooting Manual page 106

<Work procedure 2-1>
17) Remove the front bearing from the primary transfer roller unit.
Caution :
Be careful not to remove the rear bearing from the ITB unit because it may cause the breakage of the spring
contact point.
18) Remove the primary transfer roller.
19) Install a new Primary Transfer Roller in reverse order.
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