Question about Sharp AR-M205 Copier

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Can you tell me please the full name of the 'LSU Unit', what it is and where I can get a replacement from? Thank you

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My suamsang printer lsu irror

LSU unit can be damaged in time if the printer is used alot. You may need to call service and replace your LSU unit and HVPS in order to avoid future LSU failures.

Apr 03, 2013 | Samsung SCX 4521F All-In-One Laser Printer

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After the copier initializes, it shows E7-02 and it stops please assist.

this is an issue with the lsu laser unit replace the unit if you continue to get the issue after replacing the lsu then replace the pcu i

Feb 03, 2011 | Sharp Office Equipment & Supplies

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My Printe show a massega..........LSU Error What is this


Jan 08, 2011 | Samsung SCX 4521F All-In-One Laser Printer

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There's a colour lazer printer 510 in my office, but when, one day, i come to work, the printer screen displayed, PRINTER LSU ERROR. And what can i do about this? Please guide me. thank for your time and...

First just turn it off for ten minutes and then restart it,

There is a fault in the LSU unit.
1. Use EDC mode to test the HSYNC signal and LSU Motor.
2. Check the Harness connected to the Engine Controller and LSU.
2. Check the Harness connected to the Engine Controller and LSU. --> Refit the harness or replace it if it is damaged.
1. Use EDC mode to test the HSYNC signal and LSU Motor. 2. Check the Harness connected to the Engine Controller and LSU. --> Refit the harness or replace it if it is damaged.. 3. Replace the LSU

If the problem still happens call a repair tech.

Dec 01, 2010 | Office Equipment & Supplies

1 Answer

I m using samsung ScX4521f . pls tell me how i remove lsu error

Laser beam Scanning unit window (thru which the beam travels from the laser unit to the drum in the cartridge) be cleaned. If error persists the LSU assy needs replacement if the wiring harness is not damaged.

Oct 19, 2010 | Samsung SCX 4521F All-In-One Laser Printer

1 Answer

LSU Error

LSU (Laser Scanning Unit) is a device inside the printer that create images on the drum.
If you see LSU Error on the display, it is indicating that there's a problem with LSU unit.

  • Unplug the power cord and plug it back in.
  • Check if the printer makes any humming noise.

If the problem persists or does not make any noise, LSU needs to be replaced.
If your unit is under warranty, please contact our tech support at 800 - 726 - 7864.
Otherwise, please find nearest Samsung Authorized Service center from the link below.

Dec 06, 2007 | Samsung SCX-4216F All-In-One Laser Printer

2 Answers

LSU Error?

You will need to replace the Laser unit (LSU),

Samsung part number JC59-00018B

and the web site to order the US$ 94.82 LSU

Nov 12, 2007 | Samsung SCX-4720F All-In-One Laser Printer

12 Answers

LSU ERROR shows in display panel

The Laser Scanner Unit or LSU is what writes to the surface of the drum. The glass above the cartridge inside the machine could be dirty. The mirror motor in the LSU could be bad or needing cleaned so it spins better. Laser diode could be bad.

Sep 20, 2007 | Office Equipment & Supplies

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