Ricoh D072 Service Manual page 579

Bit Switches
7.2.4 COMMUNICATION SWITCHES
Communication Switch 00 [SP No. 1-104-001]
No FUNCTION
Compression modes available
in receive mode
Bit 1: 0 Bit 0: 0 = MH only
0-1 Bit 1: 0 Bit 0: 1 = MH/MR
Bit 1: 1 Bit 0: 0 = MH/MR/MMR
Bit 1: 1 Bit 0: 1 =
MH/MR/MMR/JBIG
Compression modes available
in transmit mode
Bit 3: 0 Bit 2: 0 = MH only
2-3 Bit 3: 0 Bit 2: 1 = MH/MR
Bit 3: 1 Bit 2: 0 = MH/MR/MMR
Bit 3: 1 Bit 2: 1 =
MH/MR/MMR/JBIG
4
Not used
JBIG compression method:
Reception
5 0: Only basic supported
1: Basic and optional both
supported
JBIG compression method:
Transmission
6
0: Basic mode priority
1: Optional mode priority
7
Not used
D067/D068/D069/D072
COMMENTS
These bits determine the compression capabilities
to be declared in phase B (handshaking) of the
T.30 protocol.
These bits determine the compression capabilities
to be used in the transmission and to be declared
in phase B (handshaking) of the T.30 protocol.
Do not change the settings.
Change the setting when communication
problems occur using JBIG compression.
Change the setting when communication
problems occur using JBIG compression.
Do not change the settings.
7-40 SM Appendix