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JBIG
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Options
For details about purchasing these options, contact your local authorized
Canon dealer.
Simultaneous sending/receiving
on dual telephone line connection
LINE 1
LINE 1
Fax Memory
4MB memory module is available to expand the fax memory capacity of
the LASER CLASS
Chapter 1
JBIG, Improved image data compression
JBIG is a new ITU-T standard image data compression
method. JBIG's compression method allows data to be
compressed more efficiently* than MMR, a conven-
tional compression method. JBIG is especially effec-
tive when transmitting halftone image documents.
Because the smaller data size requires less transmis-
sion time, JBIG saves you time and money.
*Actual compression ratio may vary with image.
Super G3 is a phrase used to describe the new
generation of fax machines that use ITU-T V.34
standard 33.6Kbps** modems. Super G3 High Speed
Fax machines allow transmission time of
approximately 3 seconds** per page which results in
reduced telephone line charges.
** Approximately 3 seconds per page fax transmission
time based on CCITT/ITU-T No.1 Chart, (JBIG,
Standard Mode) at 33.6Kbps modem speed. The
Public Switched Telephone Network (PSTN) currently
supports 28.8Kbps modem speeds or lower,
depending on telephone line conditions.
Dual-line Upgrade Kit II
After installation of the optional Dual-line Upgrade
Kit II, you can connect two telephone lines to the fax
unit. Either line can be used independently or simul-
taneously for separate transactions. For details contact
your local authorized Canon dealer.
®
3170 Series. For details, see Appendix A-2.
1-5
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