Canon imagePRESS C800 Series Troubleshooting Manual page 38

Chapter 1
[Caution]
If the drum is cleaned in a horizontal direction to the rotation direction, scratches on the drum may occur.
5) Rotate the drum in its rotation direction to clean another location and then repeat step 3 and 4. Clean the drum for at least one rotation and confirm visually that
foreign matters are removed.
[Caution]
To rotate the drum after wiping, place a finger on the location shown in the diagram and then rotate in its rotation direction. Do not contact a finger on the Primary
Charging Roller or the drum surface on the drum contact area.
6) After completing the cleaning, install the Process Unit to the Developing Assembly Unit and then install to the machine.
7) Turn ON the main power switch of the machine and when it can copy, perform following modes.
- INIT-ITB: Select service mode > COPIER > FUNCTION > INSTALL > INIT-ITB (Creation of ITB edge profile) > press OK key. During operation, "ACTIVE"
is displayed, and "OK!" is displayed after the completion.
- Auto Adjust Gradation: Settings/Registration > Adjustment/Maintenance > Adjust Image Quality > Auto Adjust Gradation > Full Adjust
- Auto Correct Color Mismatch: Settings/Registration > Adjustment/Maintenance > Adjust Image Quality > Auto Correct Color Mismatch
- Correct Shading: Settings/Registration > Adjustment/Maintenance > Adjust Image Quality > Correct Shading
[Cleaning Procedure for the Drum (Bk)]
1) Turn OFF the main power switch.
5) Remove the P-kit. Use the lightproof sheet to lightproof the drum.
3) Use lint-free paper (NOT moistened by ethanol) to clean toner on the drum in the same direction as the drum rotation direction.
[Caution]
If the drum is cleaned in a horizontal direction to the rotation direction, scratches on the drum may occur.
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