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Lsu what is it, and how we fix the problem? - Sharp Office Equipment & Supplies

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When lighting the LSU LD, initialization of the LD driver is not performed normally. Harness/connector trouble between the LD PWB and the LSU mother PWB. LD PWB trouble. LSU mother PWB trouble.

Posted on Dec 03, 2013

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Posted on Jan 02, 2017

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Display reads E-7 03 error code


E7/03 is a lsu error. The LSU is the “printer head” of the printer. But instead of emitting ink, the LSU emits a laser beam, directing it at the drum of the toner cartridge. If replacing the lsu does not fix it it may be the mcu pwb, but most likely the LSU.

May 11, 2010 | Sharp AR-507 Copier

1 Answer

Lsu error shown on printer display pannel itdo not work with any functions . can some bodyhelp me plzz


The most likely cause is the Laser Scanner Unit (LSU). They cannot
usually be repaired, parts are impossible to find. Unfortunately there
is no real alternative to replacing the LSU, if that does not fix the
problem the next most likely cause is the Main Board. Both are
expensive so you might want to see how the cost of the LSU compares to
a replacement printer. You could google for a Samsung ML-2010 Laser
Scanner Unit to compare prices.
Alternatively get a quote from a repair shop and compare that with
buying the LSU yourself.

Jan 20, 2010 | Samsung SCX 4200 All-In-One Laser Printer

7 Answers

MY samsung scx-4521F LSU ERROR. HOW TO RESET THE PROBLEM


No reset will work, it is detecting the Laser Scanner Unit is not operating correctly and it is a replacement unit (LSU).. the lsu is a high speed motor with a many sided mirror attached spinning at very high speed (you can hear the whine in lasers of the spin), the motors wear out and cant spin fast enough yo spread the light and need to be replaced... then your error will clear

Nov 07, 2009 | Office Equipment & Supplies

3 Answers

Have lsu error also.


Hi ...

LSU stands for Laser Scanner Unit ... you normally get 2 different kind of errors with LSU ...
LSU Hsync or LSU Motor Error ...
If you get this error, it means that the Laser Scanner Unit has gone bad and the only way to get it fixed is to get the printer repaired ...

Cheers ....

Jul 28, 2009 | Samsung SCX-4100 All-In-One 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

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