Canon iR C2880 Series Service Manual page 119

Check the Slide Switch SW1 on the Voice Operation Board
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.
6) Connect the voice operation board [1] to the connector of the main con-
When inserting the board into the connector, be sure that the board is vertical against the connector.
[1]
F-2-160
7) Fix the voice operation board [1] with two screws [2] removed in the step
4).
33MHz
66MHz
troller PCB.
8) Attach the cover in the opposite step from the one for detaching.
- controller box cover
- rear upper cover
9) Fix two cables removed in the step 1) with wire saddle.
[2]
10) Remove the screw [2] and the blanking seal [3] fixed to the right upper
cover [1]. (Do not use the removed screw and blanking seal.)
11) Remove the two screws [1] from the speaker unit and then remove the
speaker unit (lower) [2].
[1]
F-2-161
[2] [3]
[1]
F-2-162
Chapter 2
[2]
2-39