Inkjetmall has a new opinion (recommendation)

mikling

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Here is the other thing to consider when bringing the ACT out to suit. Epson can indicate that they have indeed left a door for aftermarket to go through. However they must be able to produce their own keys to do so however. You cannot just use Epson signature and keys to open the door.
There is a reason why there existed things like Phoenix BIOS and AMI Bios and the hoops they went through to make compatible BIOSes way way back on early PCs. Yes, you could have simply copied IBM bios EEPROMS and stuck them in but....you could only do so for personal "experimentation". I did that and gained 100% compatibility while experimenting. However a PC mfr could sell a similar machine. You could also not sell copied BIOSes as well which is likely what the aftermarket carts and decoders are carrying.

So it is not the ink that is the issue (oil) it is the digital side (key) that the aftermarket has not been able to reproduce so far. Epson did not block aftermarket cartridges, they simply prevented their machines from using stolen information which they have every right to do.
 

Ink stained Fingers

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I stumbled across another approach to get rid off limitations with chipped cartridges - not yet for the P800 but for some smaller Epson printers - it is apparently a firmware hack to eliminate/deactivate/cheat that part of the firmware which interfaces with the cartridge chips - with some special version of a 'chipless' firmware
http://epsonprinter.net/how-to-make-epson-xp-235-chipless-by-chipless-firmware.html
It is probably feasible to go a similar route for the P800, and this would eliminate as well the need for some converter board and eliminates as well the need for ARC type or resettable chips for lots of printer models in connection with a CISS.
 
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