Fax Specifications

Fax

Depending on the model, an option may be required to use the fax function. System Options
Line Used*1
Public Switched Telephone Network (PSTN)
Scan Line Density
Normal Mode
G3: 8 pels*2/mm x 3.85 line/mm
Fine Mode
G3: 8 pels*2/mm x 7.7 line/mm
Superfine Mode
G3: 8 pels*2/mm x 15.4 line/mm
Ultrafine Mode
G3: 16 pels*2/mm x 15.4 line/mm
Transmission Speed
Super G3: 33.6 Kbps
G3: 14.4 Kbps
Compression Method
MH, MR, MMR, JBIG
Communication Mode
Super G3, G3
Size of Original to Be Sent
A4, B5 *3, A5R *3, A6 *3, LGL, LTR, and STMT
Recording Paper Size
A4, B5, A5, A5R, LGL, LTR, STMT, and 16K
Number of Temporarily Stored Files
Up to 320
Transmission Time
Approx. 2.6 seconds*4
*1Fax communication may not operate properly when using IP telephony. It is recommended to use a normal telephone line (subscription telephone service) for fax communication.
*2Pels refers to picture elements (pixels).
*3Sent as A4.
*4When sending Canon original of A4 or LTR size in normal mode, ECM (JBIG)

Number of Destinations to Which a Fax Can Be Sent at One Time

A fax can be sent to up to 256 destinations at one time.
* When specifying a group as a destination, each destination registered to that group is counted as one.

Internet Fax (I-Fax)

Communication Protocol
Internet Fax
SMTP (send)*1, POP3 (receive)*2
Intranet Fax
SMTP (send and receive)*1
I-Fax Communication Mode
Simple mode, Full mode (ITU-T.37 and W-NET FAX compliant, color supported)
Max. Paper Size That Can Be Sent
A4
Resolution
Black & White
200 dpi x 100 dpi
200 dpi x 200 dpi
200 dpi x 400 dpi*3
300 dpi x 300 dpi*3
400 dpi x 400 dpi*3
600 dpi x 600 dpi*3
Color
100 dpi x 100 dpi*3
200 dpi x 200 dpi
300 dpi x 300 dpi*3
400 dpi x 400 dpi*3
600 dpi x 600 dpi*3
*1Supports SMTP authentication and TLS encrypted communication.
*2Supports POP authentication before sending (POP before SMTP), APOP authentication, and TLS encrypted communication.
*3Depending on the destination (capacity setting of receiver).

Number of Destinations to Which an I-Fax Can Be Sent and Pages That Can Be Sent at One Time

The number of destinations to which an I-Fax can be sent and pages that can be sent by I-Fax at one time is the same as the scan specifications.
C3K7-12S