I realise this is well beyond the design criteria of a printer as it's effectively hacking it, and appreciate anyone committing to reading this tome further! If anyone has any ideas I would love to hear them.
Over time, I need to print 100's of LED back lit signs (not all the same) of clear text against a black background on A3 transparency as opaquely as possible. I've tried many methods and found using my HP 7500 E910 printer offers the best bang for buck within the resources easily...
Using black ink in CMY cartridges to get opaque blacker than black?
Over time, I need to print 100's of LED back lit signs (not all the same) of clear text against a black background on A3 transparency as opaquely as possible. I've tried many methods and found using my HP 7500 E910 printer offers the best bang for buck within the resources easily...
Using black ink in CMY cartridges to get opaque blacker than black?