Ricoh Aficio MP C3001 Service Manual page 1928

Bit Switches
4.3.6 G3-2 AND G3-3 SWITCHES
These switches require an optional G3 interface unit.
G3-3 switches are the same as for G3-2 switches.
No Function
Monitor speaker during
communication (tx and rx)
Bit 1 Bit 0
0 0
0
1 0 1
1 0
1 1
Monitor speaker during memory
2 transmission
0: Disabled 1: Enabled
3-7 Not used
D545
G3-2 Switch 00 (SP No. 1-106-001)
(0, 0): The monitor speaker is disabled all
Setting
through the communication.
(0, 1): The monitor speaker is on up to
Disable
phase B in the T.30 protocol.
Up to Phase B (1, 0): Used for testing. The monitor
speaker is on all through the
All the time
communication. Make sure that you reset
these bits after testing.
Not used
1: The monitor speaker is enabled during
memory transmission.
Do not change the settings.
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