I bought epson brand ink cartridge and still i got

Yes and No. Non branded ink cartridges need to be properly programed to work correctly. If you are going to buy non branded, make sure you can trust the seller. Research the seller and you should be ok. Branded is always the best but also always more expensive and non branded always comes with a degree of risk.

Epson has gone to great pains to ensure that third-party cartridges dont work. They really did a good job. Sometimes their printers wont even recognize genuine Epson cartridges. I saw a CX8400 with a brand new cartridge claim it was out of cyan ink after printing one 4 x 6 photo. Then it would recognize any cyan cartridge. It had to go back to Epson for replacement. Sign in China com Online Wholesale for AD Signage Product

not necessarily faulty cartridge - had same problem went thru various cartridges some worked some didn't - in fact they weren't epson - so bought epson from office depot and that would not work, so not an issue of ink dried up - if yr printer is fairly old may be easier just to replace rather than waste time and money on trying to figure out problem

Unfortunately the Epson stylus needs both ink cartridges to print. I've tried useing an emty cartidge to "fool" the printer,but that won't work. When my Epson was ready for replacement I bought a printer (Lexmark) that prints with one cartridge empty.

Epson has gone to great lengths to block compatible cartridges. Many of them simply dont work. Even those that do, you sometimes have to replace ALL of them. A mix of some Epson and some of another brand may give you the results you got. So you have to decide if you will continue to pay Epson's rip off prices or if you will buy a set of compatibles (which costs as much as one epson cartridge), do a one-time complete replacement, and then save money for the life of your printer.
I am using special reusable cartridges from http://www.ccs-digital.com They hold 2/3 more ink than Epson and cost me under $3. The ink is in a separate tank inside the main cartridge. When the ink is empty, I pop out the tank, pop in a new one, and the cartridge automatically resets to full. This is great because Epsons have a habit of reporting out of ink when there is still 10-15% of the ink left, so I can pop in an "empty" cartridge and still get more pages out of it. And I was able to use some of these together with some genuine Epson without problem, though the site says they can't guarantee this will work for all printers.

The Epson CX9400F printer seems to require replacement of all the color ink cartridges, even if only the Black is empty.

I print almost exclusively in Black, but with my first change of Black, I was forced to change all the color. At the time I thought Epson did not provide completely filled color ink cartridges.

Just yesterday, I replaced Black and the printer complained it did not recognize the rest of color cartridges. So I replaced all the other color ink cartridges and now it works fine.

You might want to check out www.clickinks.com for cheaper, mail order alternatives which are Epson ink compatible, if you are not in a hurry.

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Hi

try reinstalling the ink. if all fails call epson for replacement ink at 562 276 1300

I'm assuming you are using originals. I would suggest you taking the cartridges out and re-inserting them. If you are using refilled cartridges and you used the cartridges to almost empty then probably the chip may have short circuited rendering the chip useless. If you bought remanufctured cartridges I suggest you ask them for replacements. This isn't really that high tech but I hope this helps.

Hi-

so you mean thats the replacement cartridge and after printing 10 prints it is now saying you have to change it, chances are that is a defective ink cartridge, you should get more prints from that replacement, here's what, call epson technical support at 562-276-1300 and have your proof of purchase ready and complain on this, they will send you a replacement, i mean they should. now if its going to happen on the replacement ink cart, that after 10 prints and it will say its empty then thats an issue with the printer already. update me regarding on it, but for now my best advice is to call epson. Have a nice day!!

Highly possible that the "compatable" cartridges are not really compatable or that Epson has updated software or firmware to keep them from working. Try replacing with Epson cartridges or see if the non-OEM brand seller has a resetting device so the printer sees those cartridges as full.