Canon PC1000s Service Manual page 351

CHAPTER 7 TROUBLESHOOTING
##283
VX]
The number of re-transmissions of the procedure signal has been
exceeded
Cause: The line condition is poor, and the appropriate signal from the other party
cannot be received correctly after transmission of
MPS.
Remedy: 1. Increase the transmission level so that the other party may receive MPS
correctly.
2. Decrease the transmission start speed.
3. Adjust the NL equalizer so that the other party may receive MPS correctly.
4. Add an echo protect tone to the V.29 modem signal for transmission.
5. Ask the operator of the other party to increase the transmission level so
that the appropriate signal may be received correctly.
##284
rrXl
DCN has been received after transmission of TCF
Cause:
Remedy:
Cause:
Remedy:
Cause:
Remedy:
Cause:
Remedy:
The other party is not ready for reception (e.g.. out of paper).
Ask the operator of the other party to set the machine for reception (as by
setting paper).
The user telephone number has not been registered (if the receiving machine
is a RICOH 3000L).
Register the user telephone number.
The other party cannot receive TCF correctly.
Increase the transmission level so that the other party may receive TCF cor-
rectly.
The other party malfunctioned because of an echo.
1 .
Using a manual call, press the Start button after hearing the 1st DIS from
the other party.
2. To prevent response to the 1st DIS from the other party, put a relatively
long pause to the telephone number when registering an auto-dialing num-
ber.
3. Ask the operator of the other party to provide echo remedy 1.
4.
Ask the operator of the other party to decrease the transmission level so
that the other party will not receive an echo.
##285
VX]
DCN has been received after transmitting EOP
Cause: The Stop button was pressed during a communication.
Remedy: Transmit once again.
##286
VX]
DCN has been received after transmitting EOM
Cause: The Stop button was pressed during a communication.
Remedy: Transmit once again.
##287
VX]
DCN has been received after transmitting MPS
Cause: The Stop button was pressed during a communication.
Remedy: Transmit once again.
COPYRlGHTQ2002 CANON INC. CANON PClCOMmageCLASS
DGM)s
REV.
1
AUG.2002
7-69