Digital BW, The Print

Evgney,
I have had trouble with the 7900 cartridges.  Many times the printer will not recognize new official Epson cartridges.  Epson is quick to replace the faulty cartridges but the problem persists.  I have six 350ml new full cartridges that the printer will not recognize...  If they can't resolve the chip problem with their own cartridges I suspect you're having the same problem with replacements.  Have you tried using a chip resetter?
Jere (Portland, Maine, USA)

On Aug 25, 2012, at 6:18 AM, poli StudiA wrote:

> Dear photographers!
> Sorry my bad English!
> I Eugene Artemov from Moscow. I am a apprentice of John Cone and Paul Roark on graphite print. I bought the Epson 7900. I bought it for 350 ml cartridges John Kone.
> If you install the full set cartridges 7900 printer in the printer shows "no cartridges. Replace the cartridge. "
> I'm starting to install cartridges one by one, starting with cyan. Every time I close both the cartridge cover. As a result, the printer receives print cartridges. But when cleaned nozzle or nozzles printing checklist, or just when you load paper, the printer will no longer see the cyan cartridge.
> Since I bought two sets of cartridges, I changed the chip on the cartridge cyan for a second.
> It did not work. Now I can not print - charging each sheet of paper the printer no longer see the cyan cartridge.
> I asked for tech support to John, but they have not answered me.
> I bought in Moscow chips from another manufacturer, but it did not help.
> If you put one at each cartridge, the printer sees it. But if you put in the left compartment all 6 cartridges, the printer starts to lose them all or cyan.
> I can not print! Can you please tell the solution to this problem!
> Sincerely. Evgeny.
> 
> -- 
> С уважением, Евгений.
> 8-926-116-28-28
> 
> 
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