EPSON XP-320 Teardown
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Fresh out of the box.
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Remove the scanner hinge screw (x1).
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Pop the scanner from its hinge. Be careful not to tear the ribbon cable under this hinge!
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Lift the scanner to the vertical position. Put the scanner against a wall or other vertical surface while you perform the next steps.
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Remove the top cover screw (x1).
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Pop the top cover free on the left of the printer.
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Remove the top cover.
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Disconnect the scanner flex cable under the top cover.
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Rotate the carriage maintenance gear towards the front until the head carriage is release from the capping station.
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Gently move the carriage to the middle of the bed.
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Unclip and remove the flex cable cover.
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Remove the ink tank flex cable.
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Using a flat blade, gently push in on the slots on either side to unclip the ink tank electronics card.
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Remove the ink tank electronics card.
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Inspect the ink electronics card for debris
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Unscrew the three retaining screws for the printhead
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Gently remove the printhead. Take note of the flex cable path.
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Inspect the printhead for scratches, ink globs, or other debris
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Paper-out sensor.
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Start-of-page sensor.