EPSON WF-C5790/WF-C5790a/WF-C5710/ET-8700/WF-C5210/WF-C5290/WF-C5290a Revision A
Troubleshooting Fax Troubleshooting 174
Confidential
How to use command/response log
The following explains the T.30 Protocol commands/responses in fax log.
Communication procedure can be checked in details.
Table 4-4. Commands/responses log_ Sample Example (Type = Sending)
Time
(10ms)
Direction
Commands/
responses name
Data Description
01136 -> CSI 402020202020202020343332312035353520323430 Received a caller subscriber ID (numeric ID).
The value of sender’s number registered in the receiver is transmitted.
The number is entered with ASCII character codes. (Same as TSI)
FCF=40
FIF=020202020202020343332312035353520323430
(ASCII character codes 20=space(S), 30 to 39=0 to 9, 2b=+)
ASCII conversion >“SSSSSSSS1234S555S240”
If the order is reversed, >”042 555 1234 “
01136 -> DIS 8020C28AC480D5838018 Received a digital identification signal. (receiving capability)
01257 <- TSI 432020202020202020202031333231313233353330 Sent a transmitting subscriber ID (numeric ID).
The value of sender’s number registered in the sender is transmitted.
The number is entered with ASCII character codes. (Same as CSI)
FCF=43
FIF=2020202020202020202031333231313233353330
(ASCII character codes 20=space (S), 30 to 39=0 to 9, 2b=+)
ASCII conversion >“SSSSSSSSSS1321123530”
If the order is reversed, >”0353211231 “
01265 <- DCS 830042F844 Received a digital identification signal. (Sending mode).
<- TCF Sent a training signal (V17/V29/V27ter only)
01268 -> CFR 84 Received a confirmation for receive signal.
01331 <- PIX FF
[33,600 bps(V.34) /MMR / A4 / 8x7.7 / 0(E:0)]
Received the 1st page of image signal.
The communication status is described within [ ].
Communication speed (Protocol) : 33.6kbps(V.34)
Encoding method : MMR
Paper width : A4
Resolution : 8x7.7 (Fine)
Number of line (number of error line): 0(E:0) * when ECM = OFF
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