Pcb; Removing The Main Controller Pcb; Removing The Reader Relay Pcb - Canon imageRUNNER 2525 Series Service Manual

PCB

Removing the Main Controller

PCB

■ Preparation
1. Remove the left cover
Cover (Right)" on page 136
2. Remove the left rear cover.
Cover" on page 134
3. Remove the RAM PCB."Removing the RAM PCB" on
page 174
4. Remove the modem PCB (for the model with a FAX
function).
■ Procedure
1. Disconnect all connectors and flexible cables on the
main controller PCB.
2. Remove the main controller PCB.
• 11 screws
11x
■ Action to Take after Replacement
1. After replacing the image processor PCB with a new
one, take the following action:
• Download the latest firmware with the UST.
• Enter all values recorded on the service label
affixed to the rear cover.
(right)."Removing the Rear
"Removing the Left Rear
CAUTION:
In the case of the Europe model:
If the firmware of the DC Controller PCB or the Main
Controller PCB is not correct, the main power switch
becomes OFF automatically.
Therefore, when update of the firmware is not possible,
turn on the main power switch after disconnect the
connector of the main power switch, and update the
correct firmware which matched the model.
After the update the firmware, install the removed
connector by necessity.
1x
Removing the Reader Relay
PCB
■ Preparation
1. Remove the reader rear
Reader Rear Cover" on page 136
171
4. Disassembly/Assembly
cover."Removing the