Ricoh D131 Service Manual page 443

Peripheral Specifications
DIP SW Settings
The correct DIP SW settings of the Punch Unit 531 are provided in the table below for your
reference only. The DIP switches of these punch units do not need to be changed at installation,
or adjusted for operation.
Punch Unit
2/3-Hole (NA)
2/4-Hole (EUR/A)
0: OFF, 1: ON
D131/D132/D133
DIP SW Settings
Unit No.
1
B531-17 1
B531-27 1
2 3 4
0 1 0
0 0 1
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