Ricoh D072 Service Manual page 237

Specifications
Data Rate:
I/O Rate:
Memory Capacity:
D067/D068/D069/D072
G3: 33600/31200/28800/26400/24000/21600/
19200/16800/14400/12000/9600/7200/4800/2400 bps
Automatic fallback
With ECM: 0 ms/line
Without ECM: 2.5, 5, 10, 20, or 40 ms/line
ECM: 128 KB
SAF
Standard: 4 MB
Page Memory:
Standard: 4 MB (Print: 2 MB + Scanner: 2 MB)
1-8 SM Appendix