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Error 10 laser unit failure on phaser 7700GX - Printers & Copiers

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That requires the replacement of either the ROS ( laser) assembly or the MCU board. I have seen both cause that code and indicate the laser has failed.
ROS is the laser assembly.
MCU board may not be detecting the ROS.
It is possible the connector that runs from the ROS to the board is loose, you may want to disconnect and reconnect that.
If the ROS is bad, you also have to have a laptop to connect to the machine to align the colors. That is called the regicon adjustment.

Posted on Apr 25, 2008

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Xerox Phaser 7700GX error 10 laser unit failure....How can be solved?


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