All Night Power Supply Pcb; Removing The Control Panel Base Cover; Removing The Rear Cover - Canon iR4570 Series Service Manual

Chapter 10
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10.5.8.2 Removing the Control
Panel Base Cover
iR2270 / iR2870 / iR3570 / iR4570
1) Remove the 4 screws [1], and detach the control
panel base cover [2].
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10.5.8.3 Removing
Controller Panel CPU PCB
iR2270 / iR2870 / iR3570 / iR4570
1) Disconnect the 3 connectors [1] of the cable used
between control panel PCB and the control panel
key switch PCB.
2) Disconnect the 2 connectors [2] used between the
control panel PCB and the control panel LCD.
Be sure to move the stopper in the direction of the
arrow. Each of the 2 stoppers has its own direction
of movement.
3) Disconnect the control panel cable [4].
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the
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4) Remove the 4 TP screws [5], and detach the control
panel PCB [7].
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10.5.9 All Night Power Supply PCB

10.5.9.1 Removing the Rear
Cover
iR2270 / iR2870 / iR3570 / iR4570
1) Remove the 13 screws [1] and then the other screw
[2]; then, detach the rear cover [3].
If the left cover (lower) has already been detached, the
screw [3] should also have been removed.
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