Canon ImageRunner iR8500 Series Service Manual page 468

Chapter 9
[2]
11) Remove the 2 mounting screws [2] of the sensor unit [1].
[2]
12) Disconnect the connector [1], and detach the sensor unit [2].
13) Remove the sensor [3] from the sensor unit [2].
[3]
[2]
9.10.10.2 Removing the Manual Feed Tray Paper Sensor
/ iR85+ / iR8070
1) Open the manual feed tray unit, and remove the cover tape from the
machine side.
2) Remove the mounting screw [1], and detach the solenoid cover [3] (A
claw [2] is hooked on the L-shaped opening; pull it down lightly, and
move it as if to open it).
9-64
[1]
F-9-122
[2]
[1]
F-9-123
[1]
F-9-124
0008-8181
[1]
[2]
3) Disconnect the connector [1].
4) Remove heater mounting screw [2], and detach the pickup roller
releasing solenoid [3] together with the support plate.
[2]
[1]
[3]
5) Remove the screw [1], and detach the connector cover [2]; then,
disconnect the connector [3].
[2]
[3]
6) Open the manual feed tray.
7) Remove the 11 mounting screws [1], and detach the manual feed tray
pickup assembly [2].
[3]
F-9-125
F-9-126
[1]
F-9-127