Ricoh D197 Service Manual page 913

Printer SP Mode
1001 [Bit Switch]
004 Bit Switch 4 Setting
bit 0 DFU
bit 1 DFU
bit 2 DFU
bit 3 IPDS print-side reversal
If enabled, the simplex pages of IPDS jobs will be printed on the front side
because of printing on the back side of the page. This might reduce
printing speed.
bit 4 DFU
bit 5 DFU
bit 6 DFU
bit 7 You can enable/disable the port for IPDS
printing.
D197/D198/D199/D200/D201/D202
Disabled
OFF
5-338
0 1
- -
- -
- -
Enabled
- -
- -
- -
ON
SM