Canon iR C2880 Series Service Manual page 114

Chapter 2
[1]
[3]
[2]
F-2-139
4) Detach the blanking plate [1]. (Do not use the detached blanking plate.)
- 2 screws [2]
F-2-140
Check the Slide Switch SW1 on the Voice Board
The slide switch SW1 on the voice board is mounted to switch between in accordance with the transfer speed of PCI bus.
If the position of the switch does not match the transfer speed, the voice is not correctly played such as the interruption.
If you move the switch by mistake, be sure to return it to the correct position. In this machine, the switch should be positioned at 66MHz.
2-34
[3]
[3]
[3]
[1]
[2]
33MHz
66MHz
5) Attach the voice board face plate [2] to the voice board [1].
- 2 screws (binding; M3X6) [3]
[1]
F-2-141
6) Slide the slide switch SW1 on the voice board to 66MHz from 33MHz of
the factory setting.
66MHz
F-2-142
[3]
[2]