Canon imageRUNNER 2270 Service Manual page 161

4.7.1.2 Removing the
Main Controller PCB
1) Disconnect the connector [1].
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Freeing the Flexible Cable
To free the flexible cable [1], shift up the
lock first as shown.
F-4-23
2) Remove the 9 screws [1], and detach the
main controller PCB [2].
0007-6407
Points to Note When Replacing the Main
Controller PCB
Remove the following components of the
detached
Thereafter, be sure to mount them to the
new main controller PCB.
[1] Boot ROM
[2] Hard disk
[3] SDRAM
[4] FRAM
Chapter 4
F-4-24
main controller PCB.
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