Ricoh D146 Service Manual page 1518

A collate type (shift or normal) will be applied to all jobs that do not
explicitely define a collate type.
Note: If #5-0 is enabled, this BitSwitch has no effect.
bit 3 [PCL5e/c,PS]: PDL Auto Switching
Enables/Disables the MFPs ability to change the PDL processor mid-job.
Some host systems submit jobs that contain both PS and PCL5e/c. If Auto
PDL switching is disabled, these jobs will not be printed properly.
bit 4 DFU
bit 5 DFU
bit 6 Switch dither
*Please refer to RTB#RD014018
bit 7 DFU
1001 [Bit Switch]
003 Bit Switch 3
bit 0 DFU
bit 1 DFU
bit 2 [PCL5e/c]: Legacy HP compatibility
Uses the same left margin as older HP models such as HP4000/HP8000.
In other words, the left margin defined in the job (usually "<ESC>*r0A")
will be changed to "<ESC>*r1A".
bit 3 DFU
bit 4 DFU
bit 5 DFU
bit 6 DFU
bit 7 DFU
System Maintenance Section
Enabled
-
-
Use
normal
dither
-
0
-
-
Disabled
-
-
-
-
-
2-799 D146/D147/D148/D149/D150
Printer SP Mode
Disabled
-
-
Use
alternative
dither
-
1
-
-
Enabled
-
-
-
-
-