Question about HP LaserJet 4 plus Printer
Replaced with new toner cartrige,not rebuilt and still having the same problem. Any ideas? Thanx Troy.
Laser needs cleaning.
If you're up to it, remove the top cover of the machine, be careful not to damage the operation panel connector (unplug), then undo several wire connectors to allow access to the laser, remove the cover of the laser, and clean all mirrors, lenses, and reflectors
Posted on Apr 16, 2009
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Posted on Jan 02, 2017
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