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

Main Controller System

Removing the Main Controller PCB

■ Preparation
1. Remove the Right Rear Cover
■ Procedure
CAUTION:
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)
• TPM PCB
• FLASH PCB
• 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
1x
1x
[3]
240
[2]
[4]
[1]
4. Disassembly/Assembly