Canon Pixma MP530 Service Manual page 38

(17) DF Guide Sheet Holder / DF Guide Sheet removal
a) Push the hook and pull out the DF Guide Sheet Holder to the arrow-indicated direction.
(18) Document Feed Roller, Separation Roller, and Separation Tab cleaning
- Wipe them with a dry and soft clean cloth.
1. Document feed roller
2. Separation roller
3. Separation tab
(19) Removal of the parts inside the ADF Unit
a) DF Front Cover Unit
Remove the two screws, then remove the cover by pulling the red-squared part to the arrow-indicated direction.
And lift up the DF Front Cover Unit.
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