Some event photographers I know still use them because
they're trouble-free,
fairly quick,
not very sensitive to environment,
easy to transport
and the prints with the integral clearcoat overcoat layer applied by the dyesub printer are totally water resistant and quite difficult to damage when handled.
But largely they've been replaced by pigment based inkjet printers which offer:
Greater Print longevity in terms of fade-resistance of the pigment based inksets
Greater resolution
Greater color gamut using 8- and 12- colors vs. just 3 (CMY) in dyesub printers.
Much more media flexibility in size and weight
and lower cost per print for proofing, etc.
I still like the unmatched gloss of the high-gloss prints from my dyesub, but all the other aspects are now heavily favoring a pigment based inkjet.
Even though the UP-GR700 is a $3k printer, it can deliver a cost per print (fixed) of only $1.31 for an 8x12 full "ink" coverage. Can you match this counting ink and photo paper on any current pigment inkjet?
I think they are not dead, but its uses are being lowered as compared to other digital textile printers. I have been using dye sublimation printer from hgsmachines(dot)com
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