Question about Office Equipment & Supplies
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Posted on Jan 02, 2017
SOURCE: LSU ERROR shows in display panel
The LSU is the Laser Scanning Unit or "printhead". There is a mirror in there that spins really fast, if the mirror spins too slowly (bad motor, low voltage) it gives an error. Sounds like you would need a replacement LSU. Have the printer serviced.
Posted on Jan 14, 2008
Hello my friend this is Laser Scanner Unit error and this is probably cause if the polygon motor in the LSU does not rotate.The LSU’s laser beam is
functioning properly.You can try unplugging the machine for 3 minutes and plugging back in before you do anything else.If this does not fix it you will need to have it serviced.
Posted on Feb 03, 2010
Laser Scanner Unit or LSU is what writes to the surface of the drum. The glass above the cartridge in the machine may be dirty. The mirror motor in the LSU could be bad or needs to be cleaned to spin better. The Laser diode may be faulty.
This is not a user-serviceable issue. You will have to contact Samsung for service. You can do it online via Samsung website or contact the vendor to see who will they appoint to service the printer to, especially if it is still under warranty.
Posted on Mar 07, 2011
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