Question about Samsung SCX-4720FN All-In-One Laser Printer

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I hv a printer samsung scx-4720f laser printer, fax, xerox and scanner. i hv a problem, my printer is not takin the command for sanninng. so please help me or gv me the solution for ths ?

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  • bholash123 Dec 10, 2009

    how to reset samsung laserjet 4720nf CHIP "page count" in toner cartridge



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You may need to download the Scanner driver (make sure you get the one appropiate to your opperating system), also Samsung provide scanner management software useful if you have a multi-user situation

Have a look at the website, leave a comment if you have any questions

Posted on Sep 27, 2009


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Message showing LSU Error

this is a laser scan unit error, either lsu reuires services , else needs replacement.

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I have a paper jam 1 at Samsung SCX-4720F

Please follow the following steps.

1) Turn off the printer.

2) Shutdown the PC to which the printer is connected.

3) Remove the USB/Serial cable through which the printer connects to the PC.

5) Now, reconnect the USB/Serial cable and switch ON the PC (only PC and not the printer).

6) Let the PC boot up and login to windows.

7) Now, switch on the printer, PC should detect the printer automatically now.

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Keep getting Scanner Locked shown in display, will not let me scan, how do I unlock it. Samsung SCX 4720F

Scanner lock is located underneath the scan assembly, where the paper exits the printer. It may be stuck so slide it back and forth a couple of times.Unlock the scanner and then press 'Stop/Clear'.

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the lock is underneath the scanner where the printed paper gets delivered. when you reach in to get a printout you more than likley have pushed it into the lock position. Once you unlock that blue button by pulling towards you, switch off the printer and again switch on the printer.

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Requiring scanner software for samsung SCX-4216F printer

Dear Sir,

I have Samsung SCX-4216 printer. Printing, Xerox & Fax working is OK, but scan facility is not working because i missed the original software. please give me  a solution for get the original software or scan drivers.

With Regards

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Need a printer driver for Samsung SCX-4720 for apple mac

OK, this answer might actually help you!
We just had the same issue with the same printer on 10.6.

Make sure all your OS updates are installed and then go to add a new printer in System Preferences (Printer and Fax section) and hit the "+" button.

If your printer is plugged in and turned on you should see it as a USB printer in the window that pops up.

Select (click on it) that printer one time and then click on the auto select driver drop down and choose to select a driver. Choose the following driver "Samsung ML-6100 - Gutenprint v5.2.3" and hit add. This driver fixed all of our problems.

No thanks to the USELESS Tech Support of Samsung. I despise companies that don't give a **** about supporting older products! Sorry, I'm in a bad mood!

Oct 16, 2008 | Samsung SCX-4720F All-In-One Laser Printer

1 Answer

I need a manual for my printer now

You can get the manual from

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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

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Dirty glass

Taking that glass apart requires removal of almost all exterior covers. Not recommended to users without technical training. Any Samsung copier service center should be able to do it, since the unit is really made by Samsung as model SCX-4720f/fn.

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You state an SCX-4720F, but the picture refers to an SCX-4200. Parts are only avalable through local service center. Go to and follow the "Support" link to find the one nearest you.

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