Question about Brother MFC-8820D Laser Flatbel Multi-Function Center (MFC 8820D, MFC8820D) Printer
This AIO printer gives Machine Error 7A. The code stands for: Main motor is not synchronized withe the reference clock". How can I repair it? what is the most likely problem? Is service manual available, at least pages related to this error? Thank you.
For the error code "7a" to be fixed permanently, you need to ensure that the main PCB is fine and is working in good condition.
If the error code is caused due to malfunctioning of the main motor, then you need to check the whole setup by connecting it with another motor.
In this case, make sure that there is no mechanical load present on the main board.
While fixing this error code, you will notice that the motor runs slowly initially and then picks up the speed later.
http://www.fixya.com/support/t5660619-7a_error
Posted on Sep 22, 2010
The top hopper on the Brother8820D is not working. How can I fix it or take in for repair.
Posted on Apr 03, 2008
Hi there,
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Posted on Jan 02, 2017
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Machine error 7A
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