Konica Minolta bizhub 362 Service Manual page 577

12. Troubleshooting
Error
Error Details
Code
70 • Busy tone detected
during initial recog-
nition signal recep-
tion waiting
• Modem error or tim-
eout during second-
ary transmission
sound detection
• Cannot call due to
transmission call
conflict
• T1 timeout during
initial recognition
signal reception
waiting when FAX
signal is not
detected
71 • T1 timeout during
initial recognition
signal reception
waiting after FAX
signal is detected
• Polarity reversal
detected during ini-
tial recognition sig-
nal reception
waiting
72 DCN reception during
waiting for command
other than DCN in
Phase B
74 • DIS or DTC is
received thrice dur-
ing response wait-
ing for TCF
• TSI/DCS or TCF is
sent thrice, without
response
• FTT is received
twice for TCF of
minimum reception
sensitivity
190
Possible Cause
Dest. Line Self
Destination
number error
Destination
machine failure
Line failure
(packet loss,
delay, etc.)
SIP adaptor fail-
ure
Destination
machine failure
Line failure
(packet loss,
delay, etc.)
V.34 failure
Destination
machine failure
or disconnection
Line failure
(packet loss,
delay, etc.)
V.34 failure
Destination
machine failure
Line failure
(packet loss,
delay, etc.)
FAX(S) board
failure
MFBS board fail-
ure
Field Service Ver. 1.0 Dec. 2008
Action to be Taken
Confirm the destination number.
Change the destination machine
and send again.
Confirm the status of the network
(HUB connection, etc.)
Confirm the connections, settings,
etc. according to SIP-FAX Adaptor
Troubleshooting.
See P.211
Change the destination machine
and send again.
Confirm the status of the network
(HUB connection, etc.)
Set V.34 to OFF and the signal
transmission level to -16dBm, and
send again.
Change the destination machine
and send again.
Confirm the status of the network
(HUB connection, etc.)
Set V.34 to OFF and the signal
transmission level to -16dBm, and
send again.
Change the destination machine
and send again.
Confirm the status of the network
(HUB connection, etc.)
Replace FAX(S) board.
Replace MFBS board.