So we've been having color quality issues with certain colors and i dont know what caused it and im wondering if this is a printhead health issue or not. we have a latex570 and if you look at the attached pictures, we are getting very grainy greys.
There could be a few different causes here, let me suggest you the following:
-Check Print Heads
a)From the settings menu -> Image quality maintenance > Clean printheads > Print test plot
b)Check for missing horizontal lines, this indicates nozzles out. If there are lots they should perform a printhead clean from the previous menu.
c)If after the cleaning there are still lots of nozzles out the replace the printhead.
a)Make sure to use the Media profile for the substrate being used is the correct one and is supported. You can find the profiles on the PrintOS website: http://www.hp.com/go/mediasolutionslocator
b)If using a non supported media it may be required to adjust various parameters to get a good print quality.
a)Make sure that the media is in optimal conditions. On some substrates a chemical reaction can occur due to age.
b)Test by cleaning an area of the substrate with alcohol, if the image quality improves the media may have expired, try a different roll.
Please, let me know if that helps,
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