Ricoh A230, Service Manual, Page: 778 / 1134

Serv
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9
3
BIT SWITCHES
4-53
SM A230/A231/A232
G3 Switch 01
No FUNCTION COMMENTS
0
to
3
Not used Do not change the settings.
4
DIS frame length
0: 10 bytes 1: 4 bytes
1: The bytes in the DIS frame after the 4th byte
will not be transmitted (set to 1 if there are
communication problems with PC-based faxes
which cannot receive the extended DIS frames).
5
Not used Do not change the setting.
6 CED/ANSam transmission
0: Disabled
1: Enabled Do not change this setting, unless the
communication problem is caused by the
CED/ANSam transmission.
7 Not used Do not change the setting.
G3 Switch 02
No FUNCTION COMMENTS
0 G3 protocol mode used
0: Standard and non-standard
1: Standard only Change this bit to 1 only when the other end can
only communicate with machines that send T.30-
standard frames only.
1: Disables NSF/NSS signals (these are used in
non-standard mode communication)
1
to
4
Not used Do not change the settings.
5 Use of modem rate history for
transmission using
Quick/Speed Dials
0: Disabled
1: Enabled
0: Communications using Quick/Speed Dials
always start from the highest modem rate.
1: The machine refers to the modem rate history
for communications with the same machine when
determining the most suitable rate for the current
communication.
6
AI short protocol
(transmission and reception)
0: Disabled 1: Enabled Refer to Appendix B in the Group 3 Facsimile
Manual for details about AI Short Protocol.
7
Short preamble
0: Disabled 1: Enabled Refer to Appendix B in the Group 3 Facsimile
Manual for details about Short Preamble.