The use of special sublimation inks in inkjet printers expands the scope of photographic printing to
encompass a wide range of substrates. Printed mugs. T-shirts and coasters are now very popular
"photo-gifts".
Since the printers used for this process were not designed for sublimation printing, the usual printing
procedures, using the printer manufacturer's profiles can give very unpredictable results. Fortunately
it is possible to generate custom printer profiles that can give accurate colour rendering when printing
to a wide range of substrates.
The procedure for profiling a sublimation printing process is fundamentally no different from that used
when profiling a normal paper printing process. What is different however is that there is an
intermediate stage in the process. The printer targets are printed onto the sublimation paper, with "No
Color Management" and are then transferred using the correct heat press to the final substrate. It is
the final substrate that is measured, not the image on the transfer paper.
If you compare the colours printed on the transfer paper with those produced on the final substrate
you will see that they can be very different. The heat transfer process modifies the colours of the
dyes and the modification must be accounted for in the printer profile.
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