Canon MultiPASS C755 Service Manual - Page 93

Specifications for Color Communications, When using a BJ Cartridge BC-34 Photo

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MultiPASS C755 Chapter 3: Maintenance & Service 5.6 Specifications for Color Communications The operations for color communications shown below are specifications, so please take care when fielding questions from users. Transmission Specifications · Even if the Color/B&W button is pressed and the display changed between pages during transmission, pages of BW images and pages of Color images cannot be mixed. · Image transmission of JPEG grayscale is not possible. · Even when ECM TX settings are OFF, this setting is ignored for color transmission, and transmission is done automatically by ECM. · The TTI header attached to the head of the color image is an image compression specification added when scanning, so the time is the scanning time, not the time that transmission actually begins. This differs from BW transmission. · Two types of transmission mode for color transmission can be chosen: STANDARD and FINE. These are changed by the compression ratio, depending on the quantization parameter. This varies according to the image, but transmission in STANDARD takes approximately half the time compared to FINE mode. · When COLOR DIRECT TX is set to on, direct transmission will be done. However, memory transmission will be done when multiple addressees are indicated. Reception Specifications · In the TX REPORT settings, even when PRINT WITH IMAGE is set to ON, the color-transmission image is not attached. Instead a "The color fax image is not printed on this report" message is printed. · Grayscale JPEG images sent from machines of other companies can be received. · When an error indicating no color ink appears, a BW FAX is not automatically output even if there is black ink available. · When the ECM RX setting is OFF, color reception is not performed. When using a BJ Cartridge BC-34 Photo · When PHOTO INK PRINT is set to off, autmatic output will not occur whether the text is BW or color. Other Specifications · With framed tables, text, monochrome illustrations, etc. And sharp contrast artificial images, a small amount of noise may occur in the image border. · Color transmission are not supported in V3.20 of MultiPASS suite. · Because RX REDUCTION becomes ON when the default setting BOTTOM MARGIN is set to NORMAL, the scanning width is reduced. 3-42

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3-42
MultiPASS C755
Chapter 3: Maintenance & Service
5.6 Specifications for Color Communications
The operations for color communications shown below are specifications, so please take care when
fielding questions from users.
Transmission Specifications
·
Even if the
Color/B&W
button is pressed and the display changed between pages during transmission,
pages of BW images and pages of Color images cannot be mixed.
·
Image transmission of JPEG grayscale is not possible.
·
Even when
ECM TX
settings are
OFF
, this setting is ignored for color transmission, and transmission is
done automatically by ECM.
· The TTI header attached to the head of the color image is an image compression specification added
when scanning, so the time is the scanning time, not the time that transmission actually begins. This
differs from BW transmission.
·
Two types of transmission mode for color transmission can be chosen: STANDARD and FINE. These
are changed by the compression ratio, depending on the quantization parameter. This varies according
to the image, but transmission in STANDARD takes approximately half the time compared to FINE
mode.
· When
COLOR DIRECT TX
is set to on, direct transmission will be done. However, memory transmission
will be done when multiple addressees are indicated.
Reception Specifications
· In the
TX REPORT
settings, even when
PRINT WITH IMAGE
is set to
ON
, the color-transmission
image is not attached.
Instead a "The color fax image is not printed on this report" message is printed.
·
Grayscale JPEG images sent from machines of other companies can be received.
·
When an error indicating no color ink appears, a BW FAX is not automatically output even if there is
black ink available.
·
When the
ECM RX
setting is
OFF
, color reception is not performed.
When using a BJ Cartridge BC-34 Photo
· When
PHOTO INK PRINT
is set to off, autmatic output will not occur whether the text is BW or color.
Other Specifications
·
With framed tables, text,
monochrome illustrations, etc. And sharp contrast artificial images,
a small
amount of noise may occur in the image border.
·
Color transmission are not supported in V3.20 of MultiPASS suite.
· Because
RX REDUCTION
becomes
ON
when the default setting
BOTTOM MARGIN
is set to
NORMAL
, the scanning width is reduced.