After replacing the original Epson carts with compatibles, guaranteed by the online supplier to function in new Epsons, the printer's 'ink' warning light remains lit and the USB controller advises of a 'Device Malfunction'. I reinstalled the software but the problems remain, so, apart from buying compatibles from Choice Stationery, I certainly would be thankful for any advice. PS DX7400 purchased 6th Nov.07
I recently got a new DX7400 and had to change the ink this week.
The guy in the shop assured me the cartridge was compatible - his stock pc said it was. But it didn't work - on closer inspection - the chip layout is different - the originals have a row of 3 contacts at the top - whereas the compatibles don't.
A royal pain as you can't look at the cartridge without opening the packet - meaning you have to buy it to check.
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