Question about Dell 1600n All-In-One Laser Printer

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Machine does not copy

Whenever the Start Copy button in depressed the message on the screen says 'LSU error'. End result is no copy.

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  • tshai Aug 29, 2007

    I changed the printhead but the LSU error persists
    Could the problem be the mechanism that controls the movement of the scanner unit?



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LSU Error occurs when your printer printhead is damaged. Change your printer printhead, the printer will be ok.

Posted on Aug 26, 2007


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LSU Error keeps showing

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LSU error code

Do you have the old cartridge? Because the message you are getting makes no sense if you can copy and not print.
The chip on the cartridge may be corrupting the machine software.
I will explaine why I say this. LSU fault, is a failure of the laser unit within the printer/copier. If it had failed, you should not be able to copy or print, The machine should not function. The laser unit is what makes the image on the drum. So neither print or copy should work if that was a true LSU code.
Did you purchase a cartridge made by another company other than Xerox? If so try returning it.
As I say, an LSU code should make the machine totally unpoerable, not partially functional.
I would try the old cartridge if you have it to see what happens.
Let me know if you have tried swapping cartridges and I will look into this more for you.

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What model printer is this? The C2424 does not have a laser.
Are you 100 percent sure it is a model C2424?
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Lsu error

LSU indicates a laser problem.
What is the model number? I can give you more information with the proper model number.

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