Question about HP Deskjet 5940 Photo InkJet Printer

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When printer is plugged in the power light blinks,

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Should be ink cartridge connection error...try to pull and reconect again...or change the cartridges!

good luck!

Posted on Dec 04, 2008

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Hi some printer lights blink due to an fault (hardware or software)

Posted on Dec 04, 2008


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Usually the printer is communicating with the computer if the power light is blinking.
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Check this page...

"Here's what it says is the solution for all 3 lights blinking.
  1. Turn the printer off. Unplug the power cord from the back of the printer. Unplug the power cord from the wall outlet.
  2. Wait 30 seconds. Plug in the power cord to the wall outlet. Plug in the power cord to the back of the printer.
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When I turn the printer power on, The lights are blinking.

  • Unplug Power Cord

  • Hold POWER and RESUME buttons

  • Plug in Power Cord

  • Release buttons after the printers starts up


  • Press POWER

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    Printer is not working power light blinks lexmark

    Have you tried unplugging the power from the printer and then plugging it back in?

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    Printer light keeps blinking after being pluged in

    Please follow the instructions given below:

    1. Disconnect the USB cable and the printer power cable.
    2. Please disconnect the power supply from the back of the printer.
    3. Then remove the cartridges from the printer.
    4. Please reconnect the power supply back and turn on the printer.
    5. If lights are blinking then printer encoder strip is most likely the problem. Unplug the power from the printer. Open the front cover and move the cartridge carrier to the center. You should see a white ribbon cable, a thin plastic strip and a black belt with teeth.
    6. The thin plastic strip is the encoder strip. It rides in a sensor on the back of the cartridge carrier that you will not be able to see. Reach in with the first finger of either hand and carefully strum the strip as if playing a guitar.
    7. The strip will need to be lowered slightly and brought towards you slightly. Please be careful not to break the strip or your printer will not function. Once you believe the strip is set correctly, plug the power back and let us know if the lights are still blinking.
    8. If you cannot repair the strip, please let us know so that we can assist you further.
    Please Note: Fixing the encoder strip is a delicate procedure. During the troubleshooting, if the strip breaks, you will not be able to use the printer. We will replace the printer, only if it is under warranty.
    9. However, if lights are not blinking then try inserting one cartridge at a time and check if you can see any lights blinking. If light blinks with one cartridge then that cartridge is defective.

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    It is possibly a jam warning or "printer cleaner head full" warning. Check your manual for what the canon warning lights mean for your particular unit.

    A quick fix you can try. Unplug your printer, press and hold the power button and plug it in while holding the power button, it should reset your printer...

    If the blinking still persist, have a qualified technician take a look at it...

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