Re: Cannot reset black cartridge on Espon DX 7450

It doesn't make much sense does it. I don't know anything about this printer. I don't know what cartridges cost but I'd be inclined to buy a new one to see if it works.
Your test does seem to rule out contacts. On my 2100P contacts were a huge problem - not just the contacts you can see but also the contacts on the other side of the contact block. Printers are a pain.

> Hi!
> I got an Epson DX7450 second hand. It came with no cartridges, so I bought a CIS system on Ebay with autoreset chips. However it does not recognize the black cartridge no mather what I do.
> They even sent me a spare chip for the cartridge but it did not help either. Any idea what should I do?
> It is not the contacts, because when I swap the black and yellow cartridge it shows that yellow cartridge is not recognized.

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eddie, 23:20 AEST, Sun 29 of Aug, 2021: moving to new server
System Administrator, 17:23 AEST, Thu 12 of Aug, 2021: Image thumbnails not working for gallery images. Problems with the GD extension.
System Administrator, 19:44 AEST, Mon 09 of Aug, 2021: uploaded wiki and database to main server. It didn't work but the old wiki and repaired database seem to mostly work.
System Administrator, 12:32 AEST, Mon 09 of Aug, 2021: Upgraded offline site copy to tiki22. Some errors but mostly good.
eddie, 19:04 AEST, Sat 07 of Aug, 2021: testing on local RPI4 Database looks good. The online version is still broken. The server OS needs upgrading???

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