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May 2013
Q What is the difference between the spectrophotometer on the HP Latex 260 and
the HP Latex 300
The spectrophotometer is exactly the same model between the two families of printers
Q When creating media profiles can I select the amount of patches printed for the
test?
The number of patches is fixed for internal ICC profiling with the embedded spectrophotometer. In case the user wants to
create an ICC profile with a higher number patches they have the possibility to do it from the RIP, The user then sends the
patch plot to the printer and measures it with the embedded spectrophotometer or any other external device.
Q What type of dithering was used with the test image when creating a new media?
We do an advanced type of error diffusion. Settings have been adjusted by HP color engineers to optimize the image quality
with the latex inks. This dithering method requires dedicated electronics like an ASIC (Application-Specific Integrated Circuit)
and cannot be done by software as it would not support the processing speeds required in a production environment.
Q With no spectrophotometer in the HP Latex 310 and 330 models, will there be a
higher likelihood of color inconsistency?
There is another sensor on the carriage of all the three models called the line sensor which measures for color consistency
on the HP Latex 310 and 330. However the main contributing factor to excellent consistency is the lower operating
temperature of the 3
rd
generation printheads and lower printzone temperature which ensures a consistent and accurate
drop ejection resulting in consistency across print jobs to a level of 2dE 2000 for 95% of colors.
An additional advantage of having the spectrophotometer is that you can get consistency between HP Latex 360 printers
also to a level of 2dE200 on 95% of colors.
Q Is SAI a HP developed RIP and how will it be support by HP?
SAi FlexiPRINT is developed by SAi in close cooperation with HP based on SAi’s well-known product FlexiPRINT. The SAi
FlexiPRINT Basic Edition is bundled with each HP Latex 310 and HP Latex 330 printer and will be fully supported by HP.
Q Why does the HP Latex 360 not come with a RIP in the box?
The market that the 360 is targeted will normally already have a RIP solution in place, hence the decision not to include it in
the package.
Q Do all RIP’s that support the 300 series synchronise substrate pre-sets in the
same way?
Top branded RIP vendors already certified to use the HP latex 300 family of printers. They will all have their own process of
synchronization. HP is creating a “how to” document for synchronization and will be available shortly.
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