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TROUBLESHOOTING
ERROR CODES
Code
Meaning
0-22
The signal from the other
end was interrupted for
more than 0.2 s
0-23
Too many errors during
reception
0-24
Printer failure occurred
while the memory was
full during non-ECM
reception; negative
response returned
0-52
Polarity has changed
during communication
0-70
A 'disc' signal was
received during ISDN G3
reception
1-00
Document jam
1-01
Document length
exceeded the maximum
1-17
Document jam in the
feed-out area
1-71
Cover has been opened
or cassette has been
pulled out during printing
2-10
The modem cannot enter
tx mode
2-11
Only one V.21 connection
flag was received
2-12
Modem clock irregularity
2-20
Abnormal
coding/decoding (cpu
not ready)
2-50
The machine reset itself
4-00
One page took longer
than 8 minutes to transmit
Suggested Cause/Action
Check the line connection.
Check the FCU - NCU connectors.
Replace the NCU or FCU.
Defective remote terminal.
Check for line noise or other line problems.
Check the line connection.
Check the FCU - NCU connectors.
Replace the NCU or FCU.
Defective remote terminal.
Check for line noise or other line problems.
Ask the other end to adjust their tx level.
There is no memory space available, or substitute
reception is disabled. Try the following:
Change bit 6 of bit switch 07 to 1.
Ask the user to change bit 0 of user parameter 05 to 1.
Check the line connection.
Retry communication.
Network or remote terminal error.
Improperly inserted document or unsuitable
document type.
Clean the document jam sensor.
See "Mechanical Operation - Document Jam".
Divide the document into smaller pieces.
Clean the sensors in the ADF/scanner.
See "Mechanical Operation - Document Jam".
Clear debris from the sensor actuator.
Clean the sensors in the ADF/scanner.
Check the connections between the sensors and FCU.
Replace defective sensor, operation panel board, or
FCU.
Close the cover or put back the cassette.
Replace the FCU.
Change the FCU.
Replace the FCU.
Check the connections from the FCU to the MBU.
Replace the FCU or MBU.
Change the FCU.
Check for a bad line.
Try the communication at a lower resolution, or
without halftone.
Change the FCU.
6-23
1st August, 1994
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Troubleshooting
