Canon FAX-L280 User Manual page 198

* Approximately three seconds per page document transmission time based on
Canon FAX Standard Chart No. 1 (Standard Mode) at 33.6 Kbps modem speed.
The Public Switched Telephone Network (PSTN) currently supports 28.8 Kbps
modem speeds or lower, depending on telephone line conditions.
C-2
FAX-L280 Instructions
Super G3 is a phrase used to describe the new
generation of fax units that use ITU-T V.34 standard
33.6 Kbps* modems. Super G3 High Speed Fax units
allow transmission time of approximately three seconds*
per page which results in reduced telephone line charges.
Appendix C