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circuit diagram for a Epson cx4300 printer 9pin restter?

looking to constuct a 9pin resetter for epson to921 series cartridge.Be carefull ,selling resetters for 9pin epson that are actually 7pin and dont work on 9pin devices.Thanks

From what i can find there is not such resetter for that model. Epson goes through a lot of trouble to make sure you can't reset and reuse a cartridge so you have keep buying there products.