Canon Pixma MP560 Service Manual page 44

(9) Purge drive system unit (right plate) and switch system unit (left plate) removal
1) Release the springs of the carriage motor cable, duplex printing paper feed roller, cassette feed
roller, cassette feed guide, and paper guide unit (both sides). (See the Parts Catalog for details.)
2) Remove 4 springs between the pressure roller unit and the main chassis.
3) Remove the screws that fix the units to the main chassis (2 on the right, 3 on the left).
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