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Panasonic KX-P2023 Dot Matrix Problem

By mckinstpete ·
I've been running these printers for a decade and I've never run into this problem: The head jammed on on the edge of a 3-part form. Nothing new there. I cleared it, and paper manually rolls smoothly. But, on power up, the head travels left, hits the end of travel, bangs 3-4 times, returns to mid position, pauses, travels right, hits end of travel, and bumps/bangs continuously. Behavior is indepensent of PC's or servers. Any ideas? TIA.


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by TheChas In reply to Panasonic KX-P2023 Dot Ma ...

Somewhere on the print head drive belt, or path is a position sensor. Most are optical sensors looking for a hole in the belt.

Check that the print head has not shifted position on the drive belt.

That the sensor is clean and all wires are connected.

That the hole in the belt, or tang on the print carriage can reach the sensor and is not dirty.


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