Canon GP160DF, Service Manual

Page: 412 / 797

COPYRIGHT © 1999 CANON INC. CANON GP160 REV.0 FEB. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
CHAPTER 13 TROUBLESHOOTING
13-178
Cause
• The line condition is poor. After EOM output
the appropriate signal can not be received
because the image signal or EOM signal is
not being properly transmitted.
Countermeasure
(1) Raise the modem output level in #2
MENU parameter 007, so the other
party’s machine can properly receive the
image signal or EOM 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 EOM signal.
(4) Add an echo protect tone to the V29
modem signal in #1 SSSW-SW03 Bit 1.
## 0282 [TX] Limit for the number of protocol signal re-transmissions is exceeded during
transmission
Cause
• The line condition is poor. After MPS output
the appropriate signal can not be received
because the image signal or MPS signal is
not being properly transmitted.
Countermeasure
(1) Raise the modem output level in #2
MENU parameter 007, so the other
party’s machine can properly receive the
image signal or MPS 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 MPS signal.
(4) Add an echo protect tone to the V29
modem signal in #1 SSSW-SW03 Bit 1.
##0283 [TX] Limit for the number of protocol signal re-transmissions is exceeded during trans-
mission