Canon imagePRESS C10000VPSeries Troubleshooting Manual page 74

9) Apply the hanarl evenly to one side of the washer [1].
10) Place the washer [1] so that the hanarl-applied surface [a] faces the torsion spring (front side) [2].
11) Apply the hanarl evenly to the entire surface [b] of the washer where the hanarl was not applied in the step 10).
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