Question about Samsung SCX 4200 All-In-One Laser Printer

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My printer says LSU error whenever I try to print. Its model number samsung SCX 4200 series All-in-one

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The problem is in laser module, disassemble laser module and clean dirt with cloth and alcohol, if no success replace laser module.

Posted on Jan 22, 2011

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Posted on Jan 02, 2017

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Scx 4200 lsu error


Hi computergala,
LSU error is is an error code for faulty LASER. Once isolated/replaced with new one, your unit will back to normal again. This is not DIY I would advice you to look for a professional to do the job for you because it is quite technical or send your unit to your local samsung service center.
Hope I helped you.
Have a nice day!
Thanks for using Fixya.

Feb 17, 2011 | Samsung SCX 4200 All-In-One Laser Printer

1 Answer

Samsung printer SCX 4200 LSU error does not correct after having been re-booted


hi

problem is your laser scanner unit.

you have to replace new LSU Unit.

calling for service is suitable.

Feb 09, 2011 | Samsung SCX 4200 All-In-One Laser Printer

1 Answer

What is mean by LSU error of samsung all in one printer ? how i can overcome this problem ? Because of this LSU error i m not able to take printout ? plz help me. my printer model is SAMSUNG SCX-4521F


LSU = laser scanning unit. I have a similar problem and i solved it by reseting my printers memory. You must enter tech mode. --> Data setup --> Clear all mem

Jul 29, 2010 | Samsung SCX 4200 All-In-One Laser Printer

1 Answer

Lsu error on SCX-4725FN samsung printer


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. The Laser diode could be bad.

Call the ASC, the mainboard is malfuntion and need to be replace.

I hope this helps! :)

May 03, 2010 | Samsung SCX 4200 All-In-One Laser Printer

1 Answer

When photocopying, leftside print missing/text


it is only happned when you takes only photocopy ? or Printing... The same will be affect while printing and copying may be the problem related to Laser Supply unit, open the LSU and clean the LSU mirror with a cotton waste. Your issues must be solve....
before that pls. check your cartridge unit...

Apr 24, 2010 | Samsung SCX 4200 All-In-One Laser Printer

2 Answers

Lsu error


Samsung SCX-4200 LSU ERROR
Please send kindly answer.
thanks
raju kale

Jul 22, 2008 | Samsung SCX 4200 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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