Ricoh Type M12, Field Service Manual

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Bit Switches - 3
• Do not adjust a bit switch or use a setting that is described as "Not used", as this may cause the
machine to malfunction or to operate in a manner that is not accepted by local regulations. Such
bits are for use only in other areas, such as Japan.
Default settings for bit switches are not listed in this manual. Refer to the System Parameter List printed by
the machine.
Communication Switches
Communication Switch 00 (SP No. 1-104-001)
No Function Comments
0-1
Compression modes available in receive mode
These bits determine the compression
capabilities to be declared in phase B
(handshaking) of the T.30 protocol.
Bit 1 Bit 0 Modes
0 0 MH only
0 1 MH/MR
1 0 MH/MR/MMR
1 1 MH/MR/MMR/JBIG
2-3
Compression modes available in transmit mode
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.
Bit 3 Bit 2 Modes
0 0 MH only
0 1 MH/MR
1 0 MH/MR/MMR
1 1 MH/MR/MMR/JBIG
4 Not used Do not change the settings.
5
JBIG compression method: Reception
0: Only basic supported
1: Basic and optional both supported
Change the setting when communication
problems occur using JBIG compression.
Bit Switches - 3
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