Color Calibration - Canon imagePROGRAF iPF8000S Questions And Answers
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recognition as to which ink tanks have a low ink level. When an ink lamp is lit, there is enough ink
in the tank. If the lamp is flashing, there is only a small amount of ink left. If the lamp is unlit,
there is no more ink left in the tank. In addition to the remote UI and the imagePROGRAF Status
Monitor, these lamps offer an additional convenient way to monitor the ink levels on the printer.
- Ink level detection feature
A high-precision system, combining the dot-count and electrode methods, is employed, showing
the ink level according to the ink consumption and displaying a warning upon detection of a nearly
empty tank. This feature shows the correct ink level even for a tank that was removed and then
placed back in again.
- Detection/management feature for remaining amount of roll paper
This feature detects the remaining amount of loaded roll paper from the printer and the printer
driver. If the remaining amount is insufficient for print output, the print job will be automatically
halted, and a message will be displayed, thus preventing an out-of-paper condition in the course
of a print job. When removing half-used roll paper from the printer, you can print the media type
and the remaining amount in text and bar code on the paper. If you reload the same roll of paper,
the barcode will be read to automatically recognize the media type and the remaining amount.
Color Calibration
Q. Explain the automatic color calibration feature.
Color calibration ensures consistent color by compensating for any slight variation in color
among print heads and printers that may occur after print head replacement or over the course of
time, or when using multiple printers. Adjusting color through calibration keeps any variation in
color among individual printers of the same model within the average color difference of ∆E≤2.0
(∆E2000),* regardless of media type or printing mode. The calibration process, utilizing a
high-performance multi sensor, must be performed only once on one type of media for automatic
calculation of calibration applicable to all media in all printing modes. All processing is finished in
about 10 minutes.
* Based on the following measurement conditions and method. The average color difference ∆E
(∆E2000) varies depending on the contents printed, printing environments, and other factors.
(1) Under identical conditions of temperature and humidity, and using the same type of paper
and genuine Canon ink, two printers of the same model were calibrated.
(2) After calibration, the same type of genuine Canon paper was used to print calibration
charts of 729 patches on both printers. As the driver, an imagePROGRAF printer driver
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