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Epson Stylus Printhead Teardown

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Let's take a look at the circuit board.

This flexible circuit connects the actual print head to the circuit board.

The dual ribbon cable connector

The contacts for the ink cartridge chips

This appears to be a test point of some kind.

This decoder/multiplexer chip on the flexible circuit appears to take 16 inputs and provides over 240 outputs for the print head.

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