Panasonic Workio DP-1820P, Service Manual

Page: 439 / 496

439
SEP 2004
Ver. 1.2
DP-1520P/1820P/1820E
9.7.4. File Format for Internet Fax
Sending Internet Fax devices must be able to write minimum set TIFF files, according to the rules for
creating minimum set TIFF files defined in TIFF for Facsimile (the S profile) [RFC2301], which is also
compatible with the specification for the minimum subset of TIFF-F in [RFC2306]. Receiving Internet Fax
devices MUST be able to read minimum set TIFF files.
The Following tree diagram shows the relationship among profiles and between profiles and coding
methods.
A profile is based on a collection of ITU-T facsimile coding methods.
Class Color Coding Method Remarks
S B/W MH Internet Fax minimal set
F B/W MMR, MR Internet Fax full mode
J B/W JBIG Internet Fax mixed mode
C Color JPEG (lossy) Color minimal set
L Color JPEG (lossless,
grayscale) One bit per color, palletized color image, continuous
tone color and grayscale images
M Color Mixed Raster
Content Multiple coders and resolution within a page
S (MH)
C (JPEG)
L (JPEG) M (MRC)
J
(JBIG)
F
(MMR, MR)
B/W
Color
MRC: Mixed Raster Content