Boards
SM 11 D688/D689
BOOKLET
FINISHER SR3170 /
FINISHER SR3160
(D688/D689)
1.2 BOARDS
1.2.1 MAIN BOARD
1. Remove the following covers (page 1 "Rear Upper Cover, Rear Lower Cover, Upper
Cover")
 Rear upper cover
 Rear lower cover
2. Main board [A] (
×8, ×all)
When replacing the main board
This board has two blocks of dip switches. When you reinstall the main board, follow the
procedure below regarding the dip switch settings.
1. Check the settings of dip switch [A] on the old main board.
2. Replace the main board.
3. Change the settings of dip switch [A] on the new main board to match the settings on the old
main board.
4. Make sure the switches of dip switch [B] on the new main board are all OFF.
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