Canon MF8580Cdw Service Manual page 279

4
Disassembly/Assembly > Controller System > Removing the Sub Drive Unit > Procedure
Removing the Sub Drive Unit
■ Preparation
1) Remove the Right Cover. Refer to page 4-147.
2) Remove the Left Cover. Refer to page 4-144.
3) Remove the Rear Upper Cover. Refer to page 4-153.
4) Remove the ADF Unit/Copyboard + Reader Unit. Refer to page 4-158
5) Remove the Upper Cover.Refer to page 4-156
6) Remove the DC Controller PCB. Refer to page 4-186.
7) Remove the Driver PCB. Refer to page 4-187
8) Remove the Low Voltage Power Supply Unit. Refer to page 4-190.
9) Remove the Wireless LAN PCB.(MF8280Cw/8240Cw only) Refer to page 4-182.
10) Remove the Main Controller PCB. Refer to page 4-183.
11) Remove the Off Hook PCB.(Fax model only) Refer to page 4-201
12) Remove the Fax PCB.(Fax model only) Refer to page 4-201
13) Remove the the Main Drive Unit. Refer to page 4-202
■ Procedure
1) Remove the Sub Drive Unit [1].
• 2 Screws [2]
• 1 Parallel Pin [3]
• 1 Bushing [4]
[1]
x2
[2]
4 Disassembly/Assembly > Controller System > Removing the Sub Drive Unit > Procedure
CAUTION:
• When installing the Sub Drive Unit, go through the following steps.
1) Install the bushing [2] and the Parallel Pin [3] to the shaft [1].
2) At installation, rotate the shaft [1] and the gear [4] to make the directions of the
Parallel Pin [3] and the pin reception horizontally-aligned.
• Depending on the direction of the shaft [1], the Parallel Pin [3] may fall. Be careful
not to drop or lose it.
[2]
[4]
[3]
F-4-476
[1]
[3]
4-209
[4] [5]
F-4-477
4-209