Ricoh MP C305SPF, Field Service Manual, Page: 38 / 146

Code Meaning Suggested Cause/Action
6-04 G3 ECM - RTC not detected
• Check the line connection.
• Check for a bad line or defective remote terminal.
• Replace the FCU.
6-05
G3 ECM - facsimile data
frame not received within 18 s
of CFR, but there was no line
fail
• Check the line connection.
• Check for a bad line or defective remote terminal.
• Replace the FCU.
• Try adjusting the rx cable equalizer
Cross reference
• Rx cable equalizer - G3 Switch 07 (PSTN)
6-06
G3 ECM - coding/decoding
error
• Defective FCU.
• The other terminal may be defective.
6-08
G3 ECM - PIP/PIN received in
reply to PPS.NULL
• The other end pressed Stop during communication.
• The other terminal may be defective.
6-09 G3 ECM - ERR received
• Check for a noisy line.
• Adjust the tx levels of the communicating machines.
• See code 6-05.
6-10
G3 ECM - error frames still
received at the other end after
all communication attempts at
2400 bps
• Check for line noise.
• Adjust the tx level (use NCU parameter 01 or the
dedicated tx parameter for that address).
• Check the line connection.
• Defective remote terminal.
6-21
V.21 flag detected during high
speed modem communication
• The other terminal may be defective or incompatible.
6-22
The machine resets the
sequence because of an
abnormal handshake in the V.
34 control channel
• Check for line noise.
• If the same error occurs frequently, replace the FCU.
• Defective remote terminal.
6-99
V.21 signal not stopped within
6 s
• Replace the FCU.
3. Troubleshooting
36