Canon ImageRunner iR8500 Series Service Manual page 160

Chapter 2
As many as 1000 cards starting with the number you entered my be used.
2) Turn off the main power switch.
Points to Note When Turning Off the Main Power Switch
1. Hold down the control panel power switch for 3 sec or more.
2. Go through the instructions for the shut-down sequence shown on the display so that the main power switch may be turned off.
3. Turn off the main power switch.
4. Disconnect the power cable (from the wall outlet).
3) Open the front cover.
4) Remove the screw [1], and detach the primary charging assembly cover [2].
5) Shift down the fixing/feeding assembly lever [1], and slide out the fixing/feeding unit [2].
6) Open the toner cartridge cover [3].
7) Remove the 4 screws [1], and remove the process unit cover [2].
8) Disconnect the 2 connectors [1].
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[2]
[1]
F-2-212
[3]
[1]
[2]
F-2-213
[1]
[2]
F-2-214