Ricoh M052 Service Manual page 390

1001 Bit Switch
004 Bit Switch 4 DFU
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 DFU
SM
0
-
-
-
0: Disable
-
-
-
-
5-177
Printer Service Mode
1
-
-
-
1: Enable
-
-
-
-
M052/M053/M054