Ricoh A230, Service Manual, Page: 758 / 1134

Serv
ic
e
Ta
b
le
s
A6
9
3
BIT SWITCHES
4-33
SM A230/A231/A232
Scanner Switch 06
No FUNCTION COMMENTS
0
to
3
MTF setting
(Text/Photo mode) The value can be between 0 and 11. Refer to
Scanner Switch 05 for details.
Default setting: 8
This setting is independent from the threshold
setting specified by the copier’s SP mode 4-903.
4
to
6
Isolated dot elimination level
(Both Text and Special
Original modes) The value can be between 0 and 7.
For higher threshold, input a higher value.
Default setting: 6
This setting is independent from the threshold
setting specified by the copier’s SP mode 4-903.
7
Not used Do not change the setting.
Scanner Switch 07
No FUNCTION COMMENTS
0
to
3
MTF setting (Photo mode) The value can be between 0 and 11. Refer to the
diagram on the previous page for details.
Default setting: 4
This setting is independent from the threshold
setting specified by the copier’s SP mode 4-903.
4
to
7
Not used Do not change the settings.
Scanner Switch 08
No FUNCTION COMMENTS
0
to
3
Scan margin setting (top and bottom margin in book scan mode, and top margin in
ADF mode)
The setting can be between 0 and F (H) (in mm).
Default setting: 3 mm
If the scanned image margin is still incorrect after adjustment, the base copier’s SP
mode settings may be incorrect. Check and adjust SP modes 4-012-1, 4-012-2,
and 6-006-2.
4
to
7
Not used Do not change the settings.