Question about HP LaserJet 3330 All-In-One Printer
This type of problem is usually caused by dirty mirrors in the scanner. After a few years of use the mirrors and lenses in the unit will get a fine coating of dust particles on them. The dust interferes with the scanner initializing the optics. When this happens the unit displays the Scanner warming up message on the screen and keeps trying to move the scanner assembly to get a good reading from the pickup. To solve the problem you will need to disassemble the scanner portion and clean all of the mirrors with window cleaner and a soft cloth or q-tip. To get dis-assembly guides just do a google search for the 'scanner warming up' error.
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Posted on Apr 04, 2010
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Posted on Jan 02, 2017
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