Canon iR1200 Series, Service Manual

Page: 377 / 494

Chapter 14
14-21
T-14-35
T-14-36
T-14-37
##111 [TX/RX] Memory error
Cause: While printing data stored in the image memory, the effects of
noise caused a data error.
Remedy: Print out all image data and system data, and execute all-clear;
then, store the system data once again.
Cause: Noise started wrong dialing.
Remedy: Replace the image processor PCB.
##114 [RX] RTN was transmitted
Cause: The line condition is poor, and the image signal from the other
party cannot be received correctly.
Remedy: 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.
3. Adjust the NL equalizer so that the image signal may be
received correctly.
4. Loosen the RTN transmission conditions so that RTN will not
be transmitted.
Cause: The machine malfunctioned because of an echo of CFR.
Remedy: 1. Provide echo remedy 2.
2. Decrease the transmission level so that an echo of transmitted
CFR will not be received.
##200 [RX] During image reception, a carrier is not detected for 5
sec
Cause: The line condition is poor, and the image signal cannot be
received.
Remedy: 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.
Cause: The training signal cannot be received because of an echo of CFR,
causing a timeover condition.