Question about HP DeskJet 6840 InkJet Printer

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Line in photo when it prints

I have a hp deskjet 6840 and i just added new ink cart and there is lines in the picture when it prints, what can be the problem?

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Try to clean the copper contacts on the cartridge and printer with the help cotton moistened with water

Posted on Mar 07, 2009

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Printing works but, paper comes out with faded picture. Ink cart. is new. I have a HP Deskjet D4100series disk???


Sometimes it takes more than a couple tries to get the right settings the first time you put in a new ink cart. Try using the calibration setting for the printer under it's properties?

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

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HP always recommend that ink cartridge should be replace by original ink.

As this kind of scenario will occur if the ink will just be replace by a refill ink.

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My printer may need a cleaning. some lines are


run the printer configuration to allign your print head and clean it up. also check your ink level and i hope the ink is not drying up too cos that could cause it too

Jul 15, 2009 | HP DeskJet 6840 InkJet Printer

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


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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?

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Click Start - All programs - HP - HP Solution center.

In HP solution center Click on the Printing Shortcuts tab. Select Photoprinting with borders or borderless. Click OK.
Then close the HP solution center. Try printing. Print photos always with Best quality.

If the issue persists check the ink level of both cartridges and use Photos Cartridge HP 58 to print photos. We insert the Photo cartridge in place of black cartridge.

Thanks

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1 Answer

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Have you tried a new colour cartridge? This is a classic sign that the cartridge may be low on ink. When printing text, assuming you are printing black, it is likely that the black cart is doing most of the work so the gaps are insignificant. You could try printing text in several different colours. If the colour cartridge is low, you'll find that some colours may be ok but others may have gaps.

Best to try a new cart if you have one.

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