Specifications

CHAPTER 5 ERROR CODE
5-16
COPYRIGHT © 1999 CANON INC. CANON SUPER G3 FAX BOARD-F1 REV.0 MAY 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
##750 (transmission) excess procedure signal re-transmission (failure to receive acknowledge
signal after transmission of PPS-NULL)
Cause Remedy
• The condition of the line is poor, and PPS-
NULL cannot be transmitted properly.
• The condition of the line is poor, and signals
cannot be received properly.
1. Raise the transmission level of the modem using
parameter 07 of #2 MENU so that the other
device may receive PPS-NULL properly.
2. Adjust the NL equalizer using parameter 05 of
#2 MENU so that the other device may receive
PPS-NULL properly.
3. Add an echo protect tone to the V.29 modem
signal using bit 1 of SW03 of #1 SSSW.
• Request the other party to raise the transmission
level of the other device to ensure correct recep-
tion of signals.
##752 (transmission) DCN received after transmission of PPS-NULL
Cause Remedy
• The condition of the line is poor, and the other
device cannot receive PPS-NULL properly.
• The Stop key was pressed during communica-
tion.
• Raise the transmission level of the modem using
parameter 07 of #2 MENU so that the other
device may receive PPS-NULL properly.
• Try re-transmission.
##753 (transmission) excess procedure signal re-transmission or T5 time-over (60 sec) after
transmissions of PPS-NULL
Cause Remedy
• The page buffer of the other device is full or is
in use so that an acknowledge signal cannot be
received properly after transmission of RR in
response to RNR after transmission of PPS-
NULL.
1. Turn the setting of 'CUSTOM FAX SETTINGS >
TX SETTINGS > ECM TX' to 'OFF'.
2. Lower the setting of 'CUSTOM FAX SETTINGS >
SYSTEM SETTINGS > TX START SPEED'.