Main Controller System; Removing The Main Controller Pcb - Canon imageRUNNER ADVANCE 4551i Service Manual

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Table of Contents

Main Controller System

■ Preparation

1. Remove the Right Rear Cover

Do not transfer the following parts to another host machine whose serial number is different. The host machine does not

start up normally and may become unrecoverable in some cases.

• Main Controller PCB 2 (with the Memory PCB unremoved)

• Memory PCB

1. Hold the handle [1] and remove the Main Controller PCB [2].

• 1 Screw [3]

• 1 Connector [4]

(Upper)."Removing the Right Rear Cover (Upper)" on page 181

4. Disassembly/Assembly