Ricoh Aficio MP C2030, Service Manual

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Bit Switches
D432/D433 100 SM
3
ECM frame size selection at
transmitting
0: 256byte, 1: 64byte
Selects the ECM frame size for sending.
4
DIS detection times for echo
prevention
0: 1 time, 1: 2 times
Sets the number of times for DIS to detect
echoes.
5
CTC transmission selection
0: PPRx1
1: PPRx4
When "0" is selected, the transmission
condition is decided by error frame numbers.
When "1" is selected, the transmission
condition is based on the ITU-T method.
6
Shift down setting at receiving
negative code
0: OFF, 1: ON
Selects whether to shift down when negative
codes are received.
7 Not used Do not change this setting.
IP Fax Switch 04 [SP No. 1-111-005]
No. FUNCTION COMMENTS
0
1
2
3
TCF error threshold
Sets the TCF error threshold level.
[00 to 0f]
The default is "1111" (0fH).
4-7
Not used
Do not change these settings.
IP Fax Switch 05 [SP No. 1-111-006]
No. FUNCTION COMMENTS
0-3
Modem bit rate setting for transmission
Sets the modem bit rate for transmission. The default is "0110" (14.4K bps).