Removing The Main Controller Pcb; Sdram; Removing The Sdram (For Image Processing) - Canon iR3245 Series Service Manual

Chapter 4
3) Remove the following parts.
- 7 wire saddles [1]
- 6 edge saddles [2] (7 pcs. when the fax unit is mounted)
- 10 connectors [3]
[1]
[2]
[1]
4) Remove the main controller PCB [1].
- 7 screws [2]
- 2 screws [3]
The card spacer may be installed on the main controller PCB when a option
is mounted. In such cases, be sure to remove all card spacers.
[1]
[2]
4-14
[3]
[2]
[1] [3]
F-4-22
[2]
[3]
F-4-23
5) Remove the following parts from the main controller PCB as needed.
- SDRAM (for image processing) [1]
- SDRAM (for system processing) [2]
- Memory PCB [3] (1 screw)
[3]
[3]
Points to Note When Replacing the Main Controller PCB
Be sure to install the parts removed here to the new main controller PCB.

4.7.3 SDRAM

4.7.3.1 Removing the SDRAM (for image processing)

iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N
1) Remove the upper rear cover. (page 10-17)[Removing the Upper Rear
Cover]
2) Release the 2 levers [1] and remove the SDRAM (for image processing)
[2].
[1]
[2]
F-4-24
F-4-25
[1]
0019-0019
[2]