Service Errors - Canon GP160F Service Manual

CHAPTER 13 TROUBLESHOOTING
VIII. SERVICE ERRORS
• G3 mode error codes
## 0100 [TX] Limit for the number of protocol signal re-transmissions is exceeded at time of
transmission
Cause
• (After Q signal is output after the image sig-
nal)
The line condition is poor and the other
party's machine can not properly receive
the image signal or Q signal.
• (After TCF is before after the image signal)
The output level is low and the other party's
machine can not properly receive the sig-
nal.
• (After TCF is output before the image sig-
nal)
The other party's machine malfunctions due
to echo.
13-170
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Countermeasure
• (After Q signal is output after the image sig-
nal)
(1) Raise the modem output level in #2
MENU parameter 007, so the other
party's machine can properly receive the
image signal or Q signal.
(2) Lower the Tx start speed in user mode
system settings.
(3) Adjust the NL equalizer in #2 MENU
parameter 005 ,so the other party's
machine can properly receive the image
signal or Q signal.
(4) Add an echo protect tone to the V29
modem signal using #1 SSSW-SW03 Bit
1.
• (After TCF is output before the image sig-
nal)
Raise the modem output level in #2 MENU
parameter 007, so the other party's
machine can properly receive the image
signal or Q signal.
• (After TCF is output before the image sig-
nal)
(1) Refer to #1 SSSW-SW03 for echo coun-
termeasures.
(2) When registering in autodial, add a long
pause after the telephone number so
there will be no response to the other
party's first DIS.
(3) When calling manually, press the start
button after you have heard the other
party's first DIS.
CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)