EPSON WF-C5790/WF-C5790a/WF-C5710/ET-8700/WF-C5210/WF-C5290/WF-C5290a Revision A
Troubleshooting Fax Troubleshooting 177
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Outline of the Command Response Log
Table 4-5. Outline of the command response log
Item Content
Time (10ms) The time when sent/received the signal. The difference of both time means the time of the signal.
Example) 02467 -> PIX
03289 -> PPS-MPS 03289 – 02467 = 822 x 10 ms = approx. 8.2 s (time of image signal)
Direction Sending or Receiving direction for signals. This differs from that of the sending or receiving in fax communication.
When sending a fax, signals (including image signal) and response signal become sending and receiving respectively.
These are reversed when receiving a fax.
Command/Response Name Defined in the first 2 digits or 4 digits of data in the FCF (Facsimile Control Field).
See “1.4.5.2 Abbreviation list of fax communication (fax recommendation T.30)”.
Data Data is composed of FCF (Facsimile Control Field) and FIF (Facsimile Information Field).
The first 2 digits (8 bits) or 4 digits (16 bits) stands for FCF, the latter means FIF.
Example 1) 03289 -> PPS-MPS?BF4F000031
FCF=BF4F=PPS-MPS
FIF=00=PC (page counter) page 1 (0x00 to 0xFF=0 to 255= add 1 to make it 1 to 256 pages)
00=BC(block counter) Block in the page is 1 (0x00 to 0xFF=0 to 255= add 1 to make it 1 to 256 blocks)
31=FC(flame counter) number of frame 50 (0x00 to 0xFF=0 to 255=add 1 to make it 1 to 256 frames)
1 block consists of 256 frames.
If the number of frame exceeds 256,separates the page with PPS-NULL to send.
Example 2) PPS-NULL BF00xxxxFF
FCF=BF00
FIF=FIF of the first PPS-NULL in the 1st page:0000FF=1st page, 1st block, 256th frame
FIF=FIF of the 2nd PPS-NULL in the 1st page:0001FF=1st page, 2nd block, 256th frame
FIF=FIF of the first PPS-NULL in the 2nd page:0100FF=2nd page, 2nd block, 256th frame
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