Question about Epson DFX-9000 Matrix Printer

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My epson dfx 9000 is diplaying error O F,what can i do to resolved it?

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This error occurs when the Home Position (HP) of the Automatic Paper Thickness Control (APTC) mechanism is not detected.
This error is caused by a malfunction of either the APTC HP sensor circuit, the APTC motor, or the driver circuit on the ROM Board.
Check the following in the order below, testing functionality at each step. If the APTC motor has malfunctioned, be sure to check the motor driver circuit on the ROM Board before replacing the motor.

1. Check connectors CNSEN1 and CNSEN2 on the ROM BOARD.
2. Check and replace the APTC HP UNIT
3. Check both the APTC motor, APTC UNIT, ROM BOARD, and replace either or both as necessary.

Get a service manual HERE if you need it.

Posted on Jul 23, 2008

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Posted on Jan 02, 2017

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