Ricoh A230 Service Manual page 751

BIT SWITCHES
System Switch 16 - Not used (do not change the settings)
System Switch 17 - Not used (do not change the settings)
System Switch 18 - Not used (do not change the settings)
System Switch 19
No FUNCTION
0
Key acknowledgement tone
to
volume adjustment
2 (in the fax application)
000 (Min.: OFF)-111 (Max.)
Default setting – 011
3 Not used
to
6
7 Special Original mode
0: Disabled
1: Enabled
System Switch 1A - Not used (do not change the settings)
System Switch 1B - Not used (do not change the settings)
System Switch 1C - Not used (do not change the settings)
System Switch 1D - Not used (do not change the settings)
A230/A231/A232
Do not change the settings.
1: "Special Original" can be selected in addition to
the "Text", "Text/Photo" and "Photo" modes.
If the customer frequently wishes to transmit a form
or letterhead which has colored or printed
background, change this bit to "1" and adjust the
scan parameters dedicated for the desired
document type using the following switches.
Special Original Mode Parameters
Y
Dirty background elimination level – Scanner
switch 04, bits 4 to 7
Y
MTF setting –
Scanner switch 05, bits 4 to 7
Y
Independent dot elimination level –
Scanner switch 06, bits 4 to 6
Y
Scan density step value –
Scanner switch 09, bits 0 to 3
Y
Binary threshold –
Scanner switch 0A, bit 0 to 7
4-26
COMMENTS
SM