Homebrew PCBs

Whoops - there are 7 contact.

At 02:57 PM 3/8/2008, you wrote:
>I'm modifying an Epson Picturemate 200 for direct toner transfer, and
>I have a couple of questions about the ink cartridge that I hope
>someone can answer. The cartridge mounts at the bottom of the printer
>(not on the print head) and seems to have 5 ports. One is for each
>color, and the second goes to a grey tubing. My questions:
>
>1 - Is the grey tubing used to pressurize the cartridge? If so, does
>anyone know the working pressure. I can measure it, if necessary, but
>I'd like some more information before I start mucking with it.
>
>2 - There are 5(?) contacts on the side of the cartridge. I assume
>they detect the presence of the cartridge and the levels of each
>color. Does anyone know what signals are expected from the cartridge
>and how to "cheat" it?
>
>I would like to remove the cartridge and feed the printer head from
>an external reservoir. The print head has 4 sets of 90 piezo jets,
>but I would only need one set at a time.
>
>Thanks for any help or information sources.
>
>Mark
>
>
>
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