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SAMSUNG 4621 LSU ERROR ON DISPLAY - SCX Samsung Office Equipment & Supplies

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Posted on Jan 02, 2017

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The Machine
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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

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  • 81 Answers

SOURCE: Samsung ML-2010 LSU Error

It sounds as though the laser went out. Its not too bad to replace, but you would need a service manual. Be sure you can get the part first, I checked my usual suppliers and could not find one. If you do replace this yourself, be sure to follow all the safety procedures.

Posted on Jun 09, 2008

  • 1 Answer

SOURCE: lsu error pour samsung scx-4100

Please kindly help me to sole the problem Lsu of my printer samsung scx-4100
thanks

Posted on Sep 20, 2008

  • 1 Answer

SOURCE: LSU Error

Hi Dear
I am facing LSU Error on my Xerox workstation PE 220

I am not able to do anything, please let me wat to do

i have lot of work penindg

urs

mujahid

Posted on Oct 13, 2008

  • 1 Answer

SOURCE: lsu error

LSU ERROR

Posted on Nov 22, 2008

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1 Answer

LSU ERRORS DISPLAYED ON SAMSUNG SF565PR WHILE COPYING?HOW TO FIX IT?


Hello,
LSU ERROR on this machine means that the Laser Unit is fauly and needs to be replaced.
You can call for a tech or can take the printer to a printer service.

Jun 03, 2011 | Samsung SF-565PR/XST Printer

Tip

"LSU Error" message display in LCD device. SCX 4834FN


1. LSU defect - LSU LD dead due to manufacturing line over-leakage voltage

2. Mainboard Q11 devise defect - it can not output 5V voltage for controlling the LSU

Change the mainboard - if working do a firmware update you will get this on the samsung wepsite.

IF not put the old board back and replace the lsu. most of the times it is the lsu. you can also open the lsu and see if the moter is turning free. oil it a bit and sume times this sorts the problem out.

on Oct 13, 2011 | Samsung Office Equipment & Supplies

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Engine LSU error printer model samsung ML2150


how can over come from LSU error problem in samsung all in one machines

Jan 21, 2010 | Samsung ML-2150 Laser Printer

1 Answer

LSU Error


It shall be open then unplug Laser part data and power then reconnect ..

Jan 15, 2009 | Samsung ML 1610 Laser Printer

3 Answers

Error message w/Samsung ML 2150 Laser Printer - Engine LSU Error


Your Laser unit at the top section where the paper exit is faulty. You have no choice but to change it.

Nov 11, 2008 | Samsung ML-2150 Laser Printer

1 Answer

I JUST CAN SEE IN THE DISPLAY ERROR LSU. WHAT I CAN DO IT FOR FIX THE PRINTER


Sir I see the error of my printer kindly make me answer for LSU ERROR
thanks
raju kale

Sep 24, 2008 | Samsung SCX 4200 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

6 Answers

Samsung scx-4521 f


if it's a vertical line in scanned pictures, it's probably a dust bunny on the scanner head, if it's only on printed pages, it's probably a dust bunny on or in the laser assembly or between the laser and the photosensitive drum. if cleaning doesn't get rid of it, you could have a defective scanner head or laser assembly, or a scratch on the photosensitive drum.

Jun 27, 2006 | Samsung SCX 4521F All-In-One Laser Printer

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