Ricoh D025 Service Manual page 800

System Service Mode
4580 [FAX Application: Text/Chart] DFU
4582 [FAX Application: Text/Photo] DFU
4583 [FAX Application: Photo] DFU
MTF: 0 (Off), 1-15 (Strong)
-005
Sets the MTF level (Modulation Transfer Function) designed to improve image
contrast. Set higher for stronger effect, lower for weaker effect.
Smoothing: 0 (x1), 1-7 (Strong)
-006
Use to remove "jaggies" if they appear. Set higher for smoother images.
Brightness: 1–255
-007
Set higher for darker, set lower for lighter.
Contrast: 1–255
-008
Set higher for more contrast, set lower for less contrast.
Independent Dot Erase (0), 1-7 (Strong)
-009 Selects the contrast level for B/W the Text mode. Sets the erasure level of
Irregular Dots. Set higher for stronger effect, lower for weaker effect.
0: Not activated
Texture Erase: 0
-010 Sets the erasure level of textures. Set higher for stronger effect, lower for
weaker effect. This SP (suffix "-010") only exists in SP4580, 4582 and 4583.
0: Not activated
D023/D025
[0 to 15 / 8 / 1 /step]
*ENG
0: MTF Off
*ENG
[0 to 7 / 4 / 1 /step]
*ENG [1 to 255 / 128 / 1 /step]
*ENG
[1 to 255 / 128 / 1 /step]
*ENG
*ENG [0 to 2 / 0 / 1 /step]
8-204
[0 to 7 / 0 / 1 /step]
SM Appendix