Dc640 Video Path Integrity - Xerox ColorQube 9303 Series Service Manual

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dC640 Video Path Integrity

The Video Path Integrity test validates the video path within the single board controller.

Enter service mode,

Select the Diagnostics tab.

Select dC640 Video Path Integrity.

Select Start to run the test. A screen displays the progress. During the test, the machine

performs the following check:

A golden test pattern is held within the machine. This pattern is not a printable image

but is data that is used as a standard for comparison to data generated by, and

transmitted through the machine.

A test pattern is generated and transferred to EPC memory. The test pattern is com-

pared to the golden test pattern for verification.

An image is then transferred from EPC to the single board controller PWB. The

image is then compared to the golden test pattern.

At the end of the test a pass / fail result is returned on the UI.

Select Close to exit the routine.

Select Call Closeout to exit service mode and return to the original procedure.

ColorQube® 9303 Family

February 2013

General Procedures/Information

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