Ricoh Aficio 1515 Service Manual page 246

BIT SWITCHES
Communication Switch 1C
No FUNCTION
0 Extension access code (8 and
to 9) to turn V.8 protocol On/Off
1 0: On
1: Off
2-7 Not used
Communication Switch 1D - Not used (Do not change the settings.)
Communication Switch 1E - Not used (Do not change the settings.)
Communication Switch 1F - Not used (Do not change the settings.)
COMMENTS
Refer to communication switch 1E.
Example: If "8" is the PSTN access code, set bit 0
to 1. When the machine detects "8" as the first
dialed number, it automatically disables V.8
protocol. (If "9" is the PSTN access code, use bit 1.)
Do not change the settings.
3-26
9 March 2004
SP No. 1-104-029