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Chapter 6 General
6.1.11 FAX Specifications
6.1.11.1 Communication
(1) Communication Mode
- Priority 1: ITU-T Super G3
- Priority 2: ITU-T G3 ECM
- Priority 3: ITU-T G3
ITU: International Telecommunication Union
ITU-T: ITU Telecommunication Standardization Sector
ECM: Error Correction Mode
(2) Density of Transmitting Pixels
- B/W;
R16x15.4 line/mm, R8x15.4 line/mm, R8x7.7 line/mm, R8x3.85 line/mm, 400x400 pixel/25.4mm,
300x300 pixel/25.4mm, 200x200 pixel/25.4mm, 200x100 pixel/25.4mm
- Color;
Not supported.
(3) Modem Signal Processing
The following protocols are supported:
- V.34 (33.6 /31.2 /28.8 /26.4 /24 /21.6 /19.2 /16.8 /14.4 /12 /9.6 /7.2 /4.8 /2.4kbps)
- V.17 (14.4 /12 /9.6 /7.2kbps)
- V.29 (9.6 /7.2kbps)
- V.27ter (4.8 /2.4kbps)
(4) Data Compression, Output Bit Depth
- B/W: 1bit, JBIG, MMR, MR, MH encoding
- Color: Not supported.
(5) Communication Control Procedure
The procedure complies with ITU-T Recommendation T.30
(6) Transmission Time
The time (T
P
) to transmit image data in G3 communication is defined in the table below. Resolution is
not converted during transmission and density is normal.
*1: Reference
Chart 14.4Kbps (MMR) 28.8Kbps (MMR)
33.6Kbps
(JBIG)
*1
IIEEJ No.4
Super Fine 56 sec. or less 29 sec. or less 22 sec. or less
Fine 26 sec. or less 13 sec. or less 11 sec. or less
Standard 19 sec. or less 10 sec. or less 7 sec. or less
ITU-T No.1
Super Fine 30 sec. or less 15 sec. or less 12 sec. or less
Fine 15 sec. or less 8 sec. or less 6 sec. or less
Standard 11 sec. or less 6 sec. or less 4 sec. or less
FX English Sales Text Standard 7 sec. or less 4 sec. or less 2 sec. or less
FX Japanese Sales Text Standard 9 sec. or less 5 sec. or less 4 sec. or less
IIEEJ No.1 Standard 75 sec. or less 38 sec. or less 20 sec. or less
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