Ricoh B022, Service Manual, Page: 644 / 878

BIT SWITCHES
B418 3-22 SM
Scanner Switch 05 SP No. 1-102-006
No FUNCTION COMMENTS
0-7 Binary picture processing:
Threshold for colored
background special original 2
mode - Normal setting (center
position) This setting determines the threshold value for
binary picture processing in colored background
special original 2 mode (when the scan density
setting is at the center).
The value can be between 01 and FF. For a darker
threshold, input a lower value.
Default setting: 28(H) = 40(D)
Scanner Switch 06 SP No. 1-102-007
No FUNCTION COMMENTS
0
to
3
MTF filter level (Text mode)
The value can be between 0(Off) and F. For a weaker threshold, input a lower value.
Default setting: 7
This setting is independent from the threshold specified by the copier SP modes.
4
to
7
MTF filter level (Text/Photo mode)
The value can be between 0(Off) and F. For a weaker threshold, input a lower value.
Default setting: 7
This setting is independent from the threshold specified by the copier SP modes.
Scanner Switch 07 SP No. 1-102-008
No FUNCTION COMMENTS
0
to
2
Smoothing filter level (Photo
mode) The value can be between 0(Off) and 7. For a
weaker threshold, input a lower value.
Default setting: 2
This setting is independent from the threshold
setting specified by the copier SP modes.
3-7
Not used Do not change the settings.
Scanner Switch 08 - Not used (do not change the settings)
Scanner Switch 09 - Not used (do not change the settings)
Scanner Switch 0A SP No. 1-102-011
No FUNCTION COMMENTS
0-3 Not used Do not change the settings
4-7 MTF filter level (Color mode)
The value can be between 0(Off) and F. For a weaker threshold, input a lower value.
Default setting: 7
This setting is independent from the threshold specified by the copier SP modes.