Pcb; Removing The Dc Controller Pcb; Before Replacement/Ram Clearing; Replacement Procedure - Canon imageRUNNER 2530 Service Manual

4
Parts Replacement and Cleaning > PCB > Removing the Main Controller PCB > Action to Take after Replacement

PCB

Removing the DC Controller PCB

Before Replacement/RAM Clearing

Print the service data list in the service mode.
REPORT > REPORT OUTPUT > SERVICE DATA LIST

Replacement Procedure

1) Remove the rear cover (right). ("Removing the Rear Cover (Right)"(page
2) Remove the rear cover (left). ("Removing the Rear Cover (Left)"(page 4-21)..
3) Disconnect all connectors on the DC controller PCB.
4) Remove the DC controller PCB.
- 6 screws (Screw A is tightened together with the earth cable.)
x6

Action to Take after Replacement/RAM Clearing

1) Clear the DC controller settings and counters.
Enter the service mode, and Then select the following:
CLEAR > ENGINE > ENGINE BKRAMCLK (Clearing of the RAM on the DC controller
PCB)
2) Turn OFF and then ON the main power switch. (Turning OFF/ON the main power switch
clears the RAM.)
3) If uploading of backup data fails before replacement due to the damage to the DC
controller PCB, enter the values of service mode items recorded on the service label.
4 Parts Replacement and Cleaning > PCB > Removing the Main Controller PCB > Action to Take after Replacement
Since the values recorded on the service label may be outdated, check the service mode
item list (#SERVICE DATA LIST) printed out in advance, and then enter the latest values.
4) Turn OFF and then ON the main power switch. (Turning OFF/ON the main power switch
allows the values entered for the service mode items to take effect.)

Removing the Main Controller PCB

Replacement Procedure
1) Remove the left cover
2) Remove the
4-20)..)
3) Remove the modem PCB (for the model with a FAX function).
)
4) Disconnect all connectors and flexible cables on the main controller PCB.
5) Remove the main controller PCB.
- 9 screws
F-4-93 F-4-93

Action to Take after Replacement

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 Cover (Right)"(page 4-20).
RAM.("Removing the RAM PCB"(page 4-42).)
x9
4-41
)
F-4-94 F-4-94
4-41