Canon FACSIMILE BASIC 2000 Service Manual page 240

G3 FACSIMILE COMMUNICATIONS
6.3.7 Post-message responses
The receiver transmits signals for notifying the transmitter whether or not
that page could be received successfully at each reception of a single page.
In this example, MCF is transmitted as the page was successfully received.
RTP and RTN are also transmitted.
5–98
Calling Side (transmitter)
Fig. 5-72 Post-message Responses
MCF Transmission
Shows that the image was successfully received and that the next docu-
ment can be received immediately.
Training
Message
RTC
Preamble
EOP
Preamble
MCF
Reception
Called Side (receiver)
Binary signal