Ricoh D025 Service Manual page 758

System Service Mode
009-012 Threshold for development gamma rank.
009 P Rank 1 Threshold
010 P Rank 2 Threshold
011 P Rank 3 Threshold
012 P Rank 4 Threshold
013-014 Threshold for image density rank on the image transfer belt.
013 T Rank 1 Threshold
014 T Rank 2 Threshold
3241 [Background Potential Setting]
001 Coefficient: Bk
002 Coefficient: M
003 Coefficient: C
004 Coefficient: Y
005 Offset: Bk
006 Offset: M
007 Offset: C
008 Offset: Y
D023/D025
*ENG [0 to 2 / 0.2 / 0.1 /step]
*ENG
[0 to 2 / 0.1 / 0.1 /step]
*ENG [-2 to 0 / -0.1 / 0.1 /step]
*ENG [-2 to 0 / -0.2 / 0.1 /step]
*ENG
[-1 to 0 / -0.2 / 0.01 V/step]
*ENG
[0 to 1 / 0.2 / 0.01 V/step]
*ENG These are parameters for calculating the
charge bias referring to the development
*ENG
bias at process control.
[-1000 to 1000 / 0 / 1 /step]
*ENG
DC charge bias = Development bias x (1 +
0.001 x these vales) + SP3-241-005 to
*ENG
-008
*ENG These are additional values for calculating
the charge bias referring to the
*ENG
development bias at process control.
[0 to 255 / 140 / 1 V/step]
*ENG
DC charge bias = Development bias x (1 +
0.001 x SP3-241-001 to -004) + these
*ENG
values
8-162 SM Appendix