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Hp deskjet 5740 no lights can't see ink cart - HP Printers & Copiers

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Posted on Aug 19, 2008

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There is an orangy/yellow teardrop shaped light blinking on/off on my HP Deskjet 5740. I brought the ink cartridges into Office Max and they confirmed they're not empty. Put them both back in and the...


Printer lights can can blink for more than one reason, so the solution can vary. These solutions need not be performed in a specific order, but solutions for the most common issues are presented first.
Blinking lights are often accompanied by an error message on the computer screen, which might help determine the solution.

http://h10025.www1.hp.com/ewfrf/wc/document?docname=c01082964&lc=en&dlc=&cc=us&product=305961

Oct 04, 2010 | HP Deskjet 5740 InkJet Printer

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5740 acts like it's printing, but no ink on paper


Since it's trying to print, the printer probably just needs cartridges. The ink can dry in the nozzles with age and disuse and clog them.

Before you splurge on new cartridges, try getting them going. (This assumes there is some ink left in them.) Take the cartridges out of the printer, wet a layer of paper towels about 1/8 inch thick, and whack the nozzles against the wet surface a few times. Check every few whacks to see if you're getting any ink flow. Repeat until you see some ink on the towels and on the nozzles, or until you decide it's futile. Often this dislodges the clogged ink and opens the nozzles, and buys some extra printing time. But you're probably going to want new ones soon anyway.

Apr 08, 2010 | HP Deskjet 5740 InkJet Printer

1 Answer

Ink cartridge put in backwards


try to clean the cart once again.. or else try out with another set of cart as well

Oct 21, 2009 | HP DeskJet 5740 InkJet Photo Printer

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My HP deskjet 5740 will feed the paper through but prints nothing even thought the ink cartriges are full


How long ago was it since you last used it? Inkjet and deskjet printers don't like to sit more than a week or two without you printing anything or they dry up.
Your cartridges may have dried up on the bottom or the part that the cartridge sits in may have dried up. Take a Q-tip dipped in isopropyl alcohol and dab it a few times. Make sure it's totally try before putting your cartridge back in.

Sep 25, 2009 | HP Deskjet 5740 InkJet Printer

1 Answer

The ink light blinks all the time since I replaced the color


The ink light flashes when the top cover is open...check the switch that tells the printer when the cover is closed.

Feb 23, 2009 | HP DeskJet 842c InkJet Printer

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HP Deskjet 5740 printer both orange lights are blinking and wont print


  • I replaced both carts with HP brand, no joy.
  • I cleaned the cart/printer connections, no joy.
An interesting aside is that if one or the other cart is removed, the appropriate LED goes out and the other blinks. At least some of the sensing circuitry sees the cart.

Anyone have a schematic of the cart/printer electronics?

Oct 10, 2008 | HP DeskJet 5740 InkJet Photo Printer

1 Answer

HP 5740 Printer skips top half of several lines


try a letter with brown letters to see if it is the black ink cartridge Refilled cartridges do that from time to time

Sep 12, 2008 | HP DeskJet 5740 InkJet Photo Printer

1 Answer

HP DeskJet 5740


i think ur talking about the black ink cartridge...ideally it should not get stuck but plz check if there is any plastic piece which is blocking it or there is any latch.If it gets stuck frequently its time for u to get a new printer.

May 19, 2008 | HP DeskJet 5740 InkJet Photo Printer

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