Ricoh M052 Service Manual page 402

Printer Service Mode
1001 Bit Switch
008 Bit Switch 8
bit 0
DFU
to 2
[PCL,PS]: Allow BW jobs to print without
requiring User Code
bit 3
BW jobs submitted without a user code will be printed even if user code
authentication is enabled.
Note: Color jobs will not be printed without a valid user code.
bit 4
DFU
to 7
M052/M053/M054
0
0: Disable
5-180
1
- -
1: Enable
(allow BW
jobs to print
without a user
code)
- -
SM