Canon iPF800 Series Service Manual page 208

Chapter 4
b) Removing the pick-up roller
1) Remove the pick-up unit.
2) Remove screw [1], guide [2], two E-rings [3], gear [4], parallel pin [5], two bushings [6] and connector [7] to release harness from the harness guide.
3) Remove four screws [8] to remove upper unit [9] of the pick-up unit.
[4]
[3]
4) Remove E-ring [1] and slide three upper pick-up guides [2] to the left to release from five hooks [3] each, removing them from the leftmost one in sequence.
[3]
[1]
5) Remove pick-up roller [1].
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[5]
[6]
[7]
[9]
[8]
F-4-61
[3]
F-4-62
[1]
F-4-63
[3]
[6]
[8]
[2]
[2]
[1]