Canon MultiPASS C755 Service Manual - Page 10

MultiPASS C755, General Description, 3 Color Communication Specification - fax

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MultiPASS C755 Chapter 1: General Description Time required for transmission protocol Protocol Mode G3 standard V.8/V.34 Pre-message Protocol *1 approx.18 sec. approx.8 sec. Post-message Protocol *2 (between pages) approx.4 sec. approx.2 sec. Post-message *3 (after pages) approx.4 sec. approx.2 sec. *1 Time from when other facsimile is connected to the line until image transmission begins. *2 Post-message (between pages): Time from after one document has been sent until transmission of the next document starts if several pages are transmitted. *3 Post-message (after last pages): Time from after image transmission is completed until line is switched from facsimile to telephone. Minimum transmission time Transmission output level Receive input level Modem IC 10 msec (G3), 0 msec (G3, ECM) From 0 to -15 dBm From -3 to -43 dBm FM336 2.3 Color Communication Specification ITU-T recommendation ITU-T T.30 ANNEX E (JPEG Color Fax) T.4 ANNEX E (JPEG Header) T.42 (Color space for Color Fax) T.81 (JPEG) Scanning Document size A4 Printing paper size A4 Resolution 200×200 dpi Picture element 8 bit Coding JPEG Color space CIELAB Illuminant Data CIE Standard Illuminant D50 Sub sample 4:1:1 (=Lab) 1-3

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1-3
MultiPASS C755
Chapter 1: General Description
Time required for transmission protocol
Pre-message
Post-message
Post-message *
3
Protocol
Protocol *
1
Protocol *
2
Mode
(between pages)
(after pages)
G3 standard
approx.18 sec.
approx.4 sec.
approx.4 sec.
V.8/V.34
approx.8 sec.
approx.2 sec.
approx.2 sec.
*1
Time from when other facsimile is connected to the line until image transmission begins.
*2 Post-message (between pages): Time from after one document has been sent until
transmission of the next document starts if several pages are transmitted.
*3 Post-message (after last pages): Time from after image transmission is completed until
line is switched from facsimile to telephone.
Minimum transmission time
10 msec (G3), 0 msec (G3, ECM)
Transmission output level
From 0 to -15 dBm
Receive input level
From -3 to -43 dBm
Modem IC
FM336
2.3 Color Communication Specification
ITU-T recommendation
ITU-T
T.30
ANNEX E (JPEG Color Fax)
T.4
ANNEX E (JPEG Header)
T.42
(Color space for Color Fax)
T.81
(JPEG)
Scanning Document size
A4
Printing paper size
A4
Resolution
200
×
200 dpi
Picture element
8 bit
Coding
JPEG
Color space
CIELAB
Illuminant Data
CIE Standard Illuminant D50
Sub sample
4:1:1 (=Lab)