Canon LBP351 Series, Service Manual

Page: 131 / 191

2. Remove the Main Controller PCB [1].
• 6 Connectors [2]
• 1 Flexible Cable [3]
• 1 USB Cable [4]
• 4 Screws [5]
• 2 Hooks [6]
[2]
[3]
[4]
[5]
[5]
[5]
[5]
8x
4x
[6] [6]
[1]
■ After Replacing the Main Controller
PCB
Restore the data in the same way as that of backup. Refer to
the Backup List for the setting values that are restored.
Update firmware as necessary.
Removing the Controller Box
■ Preparation
1. Pull out the cassette.
2. Open the Rear Cover.
3. Remove the Right Cover. “ Removing the Right
Cover” on page 117
4. Remove the Controller Cover. “ Removing the
Controller Cover” on page 123
5. Remove the Main Controller PCB. “Removing the
Main Controller PCB” on page 123
6. Remove the Rear Right Cover.
■ Procedure
1. Disconnect the connectors and free the harness
from the Wire Saddles.
• 8 Connectors [1]
• 2 Wire Saddles [2]
[1]
[1]
[1]
[1]
[2]
[2]
[1]
2x
8x
2. Remove the Controller Box [1].
• 4 Screws [2]
• 3 Guides [3]
• 2 Hooks [4]
[1]
[2]
[2]
[3]
[3]
[3]
[4]
4x
Removing the Power Supply
Box
■ Preparation
1. Pull out the cassette.
2. Remove the Duplex Unit.
3. Remove the Rear Cover. “Removing the Rear Cover”
on page 117
5. Parts Replacement and Cleaning
124