Oki OKIFAX4550, Maintenance Manual

Page: 22 / 592

41309401TH Rev.4
22 /
The fax can detect the no-paper condition by a photosensor.
When the paper has run out in the local copy operation, the
scanning will stop with “PAPER OUT/JAM” on the LCD and an
ALARM LED turns on without an alarm tone.
When the paper has run out while a message is being
received and the no-paper reception is activated, the LCD
display will show “MSG. IN MEMORY”, and the ALARM LED
turns on.
0 ms, when receiving in ECM mode or from an Oki Data
facsimile.
5 ms at 15.4 line/mm or 7.7 line/mm and 10 ms at 3.85 line/mm
when receiving from a non-Oki Data facsimile or non-ECM
mode.
1) One-dimensional coding scheme:
Modified Huffman (MH)
2) Two-dimensional coding scheme:
Modified READ (MR)
Modified modified READ (MMR)
a) ITU-T Rec. V.29 (9600/7200 bps)
b) ITU-T Rec. V.27 ter (4800/2400 bps)
c)
ITU-T Rec. V.17 (14400/12000/9600/7200 bps)
d) ITU-T Rec. V.33 (14400/12000 bps)
e) ITU-T Rec. V.34 (33600/28800 bps)
ITU-T Rec. V.21 channel 2 (300 bps)
ITU-T Rec. T.563, T.521, T.503, T.62, T.6, T.70
Automatic fallback will occur according to the following se-
quence by FTT, RTN or PPR.
When the last trial fails, the transmitting station sends out a
DCN signal to the remote station for disconnection.
Note 1: Continuous PPRs for the same partial page within
each fallback rank.
2: V.34 fallback sequence
The modem automatically selects transmission speed
according to the line condition.
Table 1.1 (7/11) Basic Performance Specifications
No. Item Specifications
21 Recording paper running out
22 Minimum scan line time for receiv-
ing
23 Coding scheme
24 MODEM
1)
High-speed Modem
2) Low-speed Modem
3) ISDN G4
25 Fallback
Fallback
rank
1st
2nd
3rd
4th
5th
6th
Transmission
speed
14400 bps
12000 bps
9600 bps
7200 bps
4800 bps
2400 bps
Activated by
FTT (Times)
1
1
1
1
2
2
Activated by
RTN (Times)
1
1
1
1
1
1
Activated by
PPR (Times)
4 (Note 1)
4 (Note 1)
4 (Note 1)
4 (Note 1)
4 (Note 1)
4 (Note 1)
Protocol
ITU-T V.17 (V.17)
ITU-T V.17 (V.17)
ITU-T V.17 (V.29)
ITU-T V.17 (V.29)
ITU-T V.27 ter.
ITU-T V.27 ter.