Ink compatibility test is the assessment of the ability of a polymeric material to maintain its
original properties after being exposed to an indicated chemical reagent environment for a
specified period. It is a critical test that will be conducted by all the printer parts that will interact
with inks, be it before the pen firing event in which inks are stored inside the ink tank, ink tube, ink
cartridge or after the pen firing in which waste ink will spit onto spittoon and paper path platen ribs
which act as full bleed printing overspray zone.
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INC, HP, "PET LINER AS SOLUTION FOR INKJET PRINTER INK COMPATIBILITY ISSUE", Technical Disclosure Commons, (December 07, 2021)