WorkCentre Pro 423/428 2-108 CHAPTER 2 TROUBLESHOOTING
03/02 Level 2 Troubleshooting
2.3.3.3 V.8 operation for auto transmission
Super G3 Fax also has the capabilities of V.17 (14.4K) and V.29/V.27ter (9600/4800) to
support communication with the conventional G3 fax. According to the capabilities of the
remote terminal and the detected signal, this fax selects a communication procedure as
shown in the flowchart below.
The flow applies when both or either of the originating and terminating terminals has the
capability of Super G3 Fax and the originating terminal transmits a document automatically.
2.3.3.4 V.8 operation for manual transmission
The flowchart below shows manual transmission from an originating terminal.
No
Yes
No
No
Yes
No
No
No
No
Yes *1
Yes
Yes
Yes
Yes
Dial Tone
Detected?
ANSam
detected?
DIS
detected?
Timeout
Enter Super
G3
rocedure
Ringer tone
dettected?
CM
detected?
CI
detected?
Enter Super G3
procedure
Enter Phase
B
rocedure
Send CNG
Dial
Send
ANSa
Voice response
(option
)
Termination
Originating terminal: auto
Terminating terminal: auto
Disconnect line
Send CM
Enter Phase
B
rocedure
*1 Return if CI
signal is detected
during NSF/DIS
continuous send
Terminating terminal
Originating terminal
Send C1 signal if
V.8 is enabled (bit 6
= 1) in DIS. See
No.3-2 Manual
Transmission.
No
No
No
No
No
Yes *1
Yes
Yes
Yes
Yes
Yes
No
No
Yes
Dial Tone
GHWHFWHG
ANSam
detected?
DIS
detected?
V.8 enabled
in DIS
Enter Super
G3
rocedure
Disconnect line
(Operator)
Ringer tone
detected?
CM
detected?
CI
detected?
Enter Super
G3
rocedure
Enter Phase B
rocedure
Send CM
Send CNG
Dial
Send
ANSa
Voice response
(option
)
Termination
Start after
CED
Enter Phase B
procedure
Continue
Phase B
Send CI
*1 Return if CI
signal is detected
during NSF/DIS
continuous send
*2 DIS bit6
Originating terminal: manual
Terminating terminal: auto
Terminating terminal
terminal