Canon mp628 Service Manual page 26

(4) Emblem removal
Push the emblem bottom to remove from the double-sided adhesive tape.
(5) Carriage unlocking
1) Rotate the drive unit gear toward the back of the machine to unlock the carriage.
Slide the carriage to the left (the opposite of the home position).
(6) ASF unit removal
1) Remove 1 screw from the left plate, and 2 screws from the right plate.
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