Ricoh M281 Series, Service Manual

Page: 936 / 1003

Bit Switches - 3
D255/D256 FAX OPTION 102 SM
6-7 Available unit of resolution in which fax
messages are received
For the best performance, do not change
the factory settings.
The setting determined by these bits is
informed to the transmitting terminal in
the pre-message protocol exchange (in
the DIS/NSF frames).
Bit 7 Bit 6 Unit
0 0 mm
0 1 inch
1 0 mm and inch
1 1 Not used
Communication Switch 15 – Not used (do not change the settings)
Communication Switch 16 (SP No. 1-104-023)
No Function Comments
0 Not used Do not change the settings.
1 Optional G3 unit (G3-2)
0: Not installed
1: Installed
Change this bit to 1 when installing the first
optional G3 unit.
2 Not used
3 Select PSTN connection
0: Off
1: On
This switch enables the G3-2.
0: Off, no connection
1: Recognizes and enables G3-2.
This switch can be used only after G3-2 has been
installed.
4-7 Not used Do not change the settings.
Communication Switch 17 (SP No. 1-104-024)
No Function Comments
0 SEP reception
0: Disabled
1: Enabled
0: Polling transmission to another maker's
machine using the SEP (Selective Polling) signal
is disabled.