Canon imageRUNNER ADVANCE C255 Series Service Manual page 264

4. Parts Replacement and Cleaning
3. Remove the Toner Bottle Mount (Bk) [2] while pressing down the shutter [1].
• 6 Bosses [3]
[1]
[3]
[3]
[2]
[3]
● Actions after assembly
Execute Auto Adjust Gradation and Auto Correct Color Mismatch.
Settings/Registration > Adjustment/Maintenance > Adjust Image Quality > Auto Adjust Gradation > Full Adjust
Settings/Registration > Adjustment/Maintenance > Adjust Image Quality > Auto Correct Color Mismatch
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