COPYRIGHT © 2002 CANON INC.
2000 2000 2000 2000
CANON iR1200/iR1300 Series REV. 0 AUG. 2002
CHAPTER 7 TROUBLESHOOTING
7-84
##790 [TX]
In ECM reception, ERR was transmitted after reception of EOR-Q
The line condition is poor, and the image signal cannot often be received cor-
rectly.
1. Ask the operator of the other party to increase the transmission level so that the
image signal may be received correctly.
2. Adjust the NL equalizer so that the image signal may be received correctly.
The machine malfunctioned because of an echo.
1. Provide echo remedy 1.
2. Decrease the transmission level so that an echo is not received.
##791 [TX/RX]During an ECM mode procedure, a signal other than a significant
signal was received
The procedure signal is faulty.
Record the protocol on a DAT or MD, and have it analyzed by the local Canon
office and/or Technical Center.
##792 [RX]
In ECM reception, PPS-NULL between partial pages cannot be de-
tected
The line condition is poor, and PPS-NULL cannot be received.
1. Ask the operator of the other party to increase the transmission level so that
PPS-NULL may be received correctly.
2. Adjust the NL equalizer so that PPS-NULL may be received correctly.
Cause:
Remedy:
Cause:
Remedy:
Cause:
Remedy:
Cause:
Remedy:
Cause:
Remedy:
Cause:
Remedy:
Cause:
Remedy:
Cause:
Remedy:
##793 [RX]
In ECM reception, no effective frame was detected while signals
were received at high speed, and a time-over condition occurred
The line condition is poor, and the other party cannot receive CFR correctly.
1. Increase the transmission level so that the other party may receive CFR cor-
rectly.
2. Adjust the NL equalizer so that the other party may receive CFR correctly.
The line condition is poor, and the image signal cannot be received correctly.
1. Ask the operator of the other party to increase the transmission level so that the
image signal may be received correctly.
2. Ask the operator of the other party to decrease the transmission start speed.
An echo of CFR prevents reception of the training signal.
1. Provide echo remedy 2.
2. Decrease the transmission level so that an echo of the transmitted CFR will not
be received.
##795 [TX/RX]A fault occurred in decoding process during a communication
The communication CODEC is busy.
1. Disconnecting and connecting the power cord.
2. Replace the image processor PCB.
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