Canon iR C3380 series Service Manual page 98

Chapter 2
- 2 screws [2]
5) Attach the voice board face plate [2] to the voice board [1].
- 2 screws (binding; M3X6) [3]
6) Slide the slide switch SW1 on the voice board to 66MHz from 33MHz of the factory setting.
The slide switch SW1 on the voice operation 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.
2-42
[1]
F-2-123
[3]
[2]
[1]
F-2-124
66MHz
F-2-125
[2]