Canon imageRUNNER ADVANCE 4551i Service Manual page 963

Drum Heater-C1
Checking Before Installation
■ Check Items when Turning OFF the
Main Power
Check that the main power switch is OFF.
1. Turn OFF the main power switch of the Host Machine.
2. Be sure that control panel display and main power lamp
are both turned OFF, and then disconnect the power
plug from the outlet.
■ Installation Outline Drawing
■ Points to Note on Installation
Confirm that the Heater Kit has already been installed in the
host machine.
When the cassette heater PCB is installed as standard,
replace the cassette heater PCB with the heater PCB in the
Heater Kit.
Checking the Parts to be
Installed
[1] Drum heater unit x1
[3] Edge saddle x1
<Others>
Including guides
Installation Procedure
1. Open the Front Cover.
950
9. Installation
[2] Wire saddle x2
[4] Relay cable x1