Canon imagePASS-R1 Service Manual page 42

4. Remove the two screws that secure the service board to the chassis, and remove the board from the chassis (see
below figure).
No.
1 Service board
2 Screw (1 of 2)
● To replace the service board
1. If you are replacing the old service board with a new one, unpack the new board and cable.
2. Position the new service board inside the chassis, fitting the LED display and service switches through the cutouts
in the chassis.
3. Secure the service board to the chassis using the two screws that you removed earlier (see above figure).
4. Connect the service board cable to the connector on the service board. The cable is keyed to fit in the connector
only one way.
5. Connect the free end of the service board cable to connector Port 80 Header (EFI GPIO Header, J4) on the
motherboard.
The cable is keyed to fit in the connector only one way.
6. Make sure that the service switches are set to the OFF position (both switches are away from ON). See
connector panel and LED diagnostic codest" on page
7. Reassemble the imagePASS and verify its functionality (see
■ Chassis fan
One chassis fan is installed in the imagePASS, near the service board. Use the following procedures to remove or replace the
fan.
● To remove the chassis fan
1. Access and open the imagePASS, as described on
2. Disconnect the 4-pin fan cable connector from the motherboard.
1
Figure 21: Removing/replacing the service board
2
Name
17.
"To reinstall and verify the imagePASS" on page
"Accessing the imagePASS" on page
37
3. REPLACING PARTS
"imagePASS
44).
18.