Canon imagePRESS 1135 Series Troubleshooting Manual page 191

<Remedy>
_ Check for Any Foreign Matters on the Developing Cylinder Drive Gear and the Developing
Lower Cylinder [J] or Replace the Developing Sleeve Unit
_ Install the S/D Gap Alleviation Kit [F]
<Detailed work procedure>
Procedure to Check for Any Foreign Matters on the Developing Cylinder Drive Gear and
the Developing Lower Cylinder or Replace the Developing Sleeve Unit
1) Open the Front Left Cover and the Front Right Cover.
2) Remove Process Unit Cover.
3) Pull Out primary Charging Assembly
4) Pull Out Process Unit.
5) Remove Developing Assembly
<Work procedure 2-9>
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