Samsung ML 2010 Laser Printer Logo
Posted on Oct 09, 2009
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Flashing Red & Green lights - Samsung ML 2510

Both red and green lights are flashing. Manual says low toner may be the problem...copies not indicative of that. Printer shows as "offline". Disconnected & reconnected power and USB cords. Is Orange button "reset"? If so, it is stuck.

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Clive

Clive

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  • Master 4,362 Answers
  • Posted on Jan 30, 2010
Clive
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Joined: Jan 23, 2010
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Hi
It maybe one of the fuse gone.

You have to change the fuse:
The fuse is 250mAh and 3/4" inch long (20 mm) round glass with metal ends. The electrical contacts are not in the cartridge but inside the printer: There is a plastic fuse holder on the cartridge, even the starter cartridge. You just simply pop it into the holder. This will stop the flashing red LED and the system tray will say the cartridge is full.
All The Best: Pineworks

  • 1 more comment 
  • David Fowler
    David Fowler Aug 10, 2017

    Check the 1500uF @ 10V capacitor on the power board. That had failed in my printer and caused the exact same fault

  • Anonymous Mar 22, 2018

    Thanks for the hint @DavidFowler. I just fixed my Samsung ML-2510.

  • Anonymous
    Anonymous Jul 22, 2022

    > David Fowler Aug 10, 2017

    >Check the 1500uF @ 10V capacitor on the power board. That had failed in my printer and caused the exact same fault

    I just wanted to say thank you for this information. I had problems with this thing for years cutting out, and couldn't figure out why. I opened it up, and saw the slightly puffed top of that 1500uF cap, and for about $5, got a pack of them, and replaced it, and it works perfectly.

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RED LIGHT KEEP BLINKING ON MY ML-2510 PRINTER IT STILL WORKS , WHY?
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A red blinking light on a samsung printer will often indicate that your toner level is low. It will still continue to work until the toner fully runs out. This is Samsung's warning saying that you should think about changing your cartridge soon. I hope this helps.
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printer power supply board-kb4qmvpv1s11oxbklyfsp4ob-d-0.jpg
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3) Green Fast-Flashing, Red Off = Printer off-line.
4) Green Slow-Flashing, Red Off = Processing Data.
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7) Green Off, Red Slow-Flashing = Paper Empty or Paper tray is not inserted.
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and install a new one. See page
8.4.
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