Question about HP Officejet Pro 8500 Wireless All-In-One InkJet Printer

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Hp 8500a has new print heads and new ink and now cyan has stopped printing

HP 8500a-910a just replaced both printheads and new hp ink and everything was good for about a week then suddenly the cyan stopped printing.

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Hi I have two split pipes in my Hp 8500A printer where can I get replacement parts as it is not printing correctly.

Posted on Dec 04, 2012

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Posted on Jan 02, 2017

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SOURCE: Officejet Pro L7590 printhead message (printheads only 2m. old)!

Good advice, but HP refused to replace the printhead despite the fact that it is still under warranty (expires 4-7-10). Tech support (very hard to understand) said I would need to buy a new printhead to confirm that the problem was not the printer itself. When I asked about this, they cut me off.

Posted on Sep 25, 2009

  • 16 Answers

SOURCE: Trouble with Designjet 110plus

Hi Paula, first of all, take out the Continuous Ink System. Second, make sure that the new printhead are good and work propretl, try to get them in another HP 110, if their work good and at your HP not working good whitout your Continuous Ink System replace the carriage assesmbly, but before that verify tge tubes of ink. Good look

Posted on Aug 18, 2009

yooperbud
  • 8637 Answers

SOURCE: I have a hp 7580

Normal 0 Could have a corrupt driver.
Disconnect the printer or at least be sure it is turned off. I'd do both and when the CD software program asks you to connect the printer to the USB port, do so and it should again work properly.
Hope this helps. Bud

Posted on Jan 29, 2009

  • 2 Answers

SOURCE: k550 air in ink feedlines

I have had this happen a couple of times and have cured it easily. It has only happened with the black with me. It seems to be caused by air in the ink feed line. With the printer switched on open the top cover and hold the resume button for 5 seconds. The printheads should move to the left and you may be able to see air in the pipe(s). Remove the printhead of the offending colour(s) then insert a syringe with the plunger fully down into the rubber that the printhead connects to. Draw up the syringe plunger to draw ink/air through until you can see no more air in the pipe. Replace the printhead and close the cover. The printer should now do a calibration with the offending colour hopefully now working.

Posted on Mar 29, 2009

websnail
  • 419 Answers

SOURCE: printing yellow for black

Hi Jan,

Can you confirm that you are using a CIS or non-HP cartridges with this printer?

It sounds a lot like the printhead has reached a clogging point where sediment has built up in the black portion and loosens enough to printer a few lines before it re-asserts itself again.

Based on my experience of this printer, if you're using a non-HP delivery system for ink then you should consider replacing the black ink with a dyebase alternative instead of pigment.. Replacing the Black/Yellow printhead and running a number of test prints to purge the pigment ink in the printhead should then result in a clean and more reliable printout in future.

One other vector for problems is the cleaning area and I've found that this can become soiled with excess ink causing cross contamination within the inks of one printhead. As yet I've not found a reliable solution to counter this sort of issue.

Hope this gives some clues and hopefully some ideas of a fix.

Martin

Posted on May 28, 2009

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The cyan print head nozzles maybe blocked.
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My HP Officejet Pro K550 is not printing the cyan (blue) ink. It has a new cartridge. I've run print quality pages and configuration pages -- no cyan shows up. I cleaned the printheads and no c


Do a test print...
assuming you have done multiple print head cleans... if it fails to print ANY cyan, I'd guess the print head is dead... although to be honest im not an expert with this hp printer. if that is the case, it probably isnt worth repairing.
If it does print some cyan, just missing, you may be able to find info, sorry, I cant help you there, on accessing the service or maintenance mode and doing a higher level clean, if your printer supports that.
As a last option, disassembly and soaking the bottom of the print head in cleaning solution /water... overnight, without getting ANY water on any contacts, then re running print cleans.

good luck

in my exp, again, not with this printer, mind you, if a print head fails to print ANY ink for a given colour, the print head is usually faulty.

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I have an hp officejet 7110 all-in-one and I've been getting a message saying that supply expired on the black cartridge. i replace it and it still won't let me print. what else could be wrong


Hello there:
This problem is usually due to a print head that needs to be replaced
I have provided the information that you will need ok
best regards mike
This document provides information on how to replace a printhead or ink cartridge.A printhead may need replacing when print quality issues cannot be resolved by cleaning the printheads or a front-panel display message indicates a printhead needs to be replaced.An ink cartridge needs replacing when a front-panel display message indicates either:
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CAUTION: Never remove an ink cartridge and a printhead at the same time. Use the table below to identify the correct ink cartridge part number: Ink cartridge Part number HP 14 black print cartridge C5011A HP 14 tri-color print cartridge C5010A Use the table below to identify the correct printhead part number: Printhead Part number HP 14 black printhead C4920A HP 14 cyan printhead C4921A HP 14 magenta printhead C4922A HP 14 yellow printhead C4923A Replacing the ink cartridges Follow the instructions below to replace the ink cartridges:
  1. Turn on the unit, and open the print-carriage access door by lifting the handle until the door locks into place. Figure 1: Opening the access doorc00064456.jpg
  2. The print carriage will move to the center of the unit.After the print carriage stops, remove the ink cartridge by pressing the gray release button, then lifting the cartridge up and out of its slot. Figure 2: Removing the ink cartridgec00064457.jpg
  3. Remove the new ink cartridge from its packaging and, being careful to touch only the black plastic, remove the tape. Figure 3: Removing the tapec00064458.jpg
  4. With the ink cartridge label face-up, push the new ink cartridge firmly down into the appropriate slot until it clicks into place.The color ink cartridge inserts into the right-hand slot as indicated by the rainbow colored oval. Figure 4: Inserting the new cartridgec00064459.jpg
  5. Close the print carriage access door. CAUTION: If the ink cartridge is removed before a replacement is available, close the print carriage access door and replace the ink cartridge within 24 hours.
Identifying parts of the printheads Use the table below to identify the parts:
  1. Printhead handle
  2. Printhead tower
  3. Copper contacts
  4. Plastic tape
  5. Ink nozzles
c00064460.jpg Do not touch:
  • Copper contacts
  • Ink nozzles
  • Printhead tower
c00064461.jpg

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Explanation A backup printmode is being used due to bad printhead quality or health, as a result there is lower performace in printing. Recommended action One or more printheads have too many nozzles out and should be replaced. Replace the faulty printhead. You may have to print the Image Quality Diagnostics print in order to identify the faulty printhead. Try printing a square made up of each colour, so one Cyan, one Magenta etc to indentify which head is causing the problem. then you can soak the head in IPA to clear out any dried ink, this may stop you having to buy another head. Also please please DO NOT use compatible inks as they are damaging to your machine even if they claim not to be, think about it HP would never sell the patent to their inks it wouldnt make sense they would loose money, so allways use originals.

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Trouble with Designjet 110plus: Cannot get Cyan or Black to print. When I change the printhead, the machine does not recognize it for both black and cyan. Machine DOES NOT show error on any printhead or...


Hi Paula, first of all, take out the Continuous Ink System. Second, make sure that the new printhead are good and work propretl, try to get them in another HP 110, if their work good and at your HP not working good whitout your Continuous Ink System replace the carriage assesmbly, but before that verify tge tubes of ink. Good look

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1 Answer

Printing yellow for black


Hi Jan,

Can you confirm that you are using a CIS or non-HP cartridges with this printer?

It sounds a lot like the printhead has reached a clogging point where sediment has built up in the black portion and loosens enough to printer a few lines before it re-asserts itself again.

Based on my experience of this printer, if you're using a non-HP delivery system for ink then you should consider replacing the black ink with a dyebase alternative instead of pigment.. Replacing the Black/Yellow printhead and running a number of test prints to purge the pigment ink in the printhead should then result in a clean and more reliable printout in future.

One other vector for problems is the cleaning area and I've found that this can become soiled with excess ink causing cross contamination within the inks of one printhead. As yet I've not found a reliable solution to counter this sort of issue.

Hope this gives some clues and hopefully some ideas of a fix.

Martin

May 24, 2009 | HP Officejet Pro L7680 All-In-One Printer

2 Answers

Same as some other complaints at your site about this printer/aio


Your printer does indeed have cartridges...4 in fact, along with 2 printheads. 1 printhead is for Magenta/cyan. The other for Black/yellow.

You know where the printheads are. The ink cartridges are below them. There is a door that pulls down to expose all four.

Here is a link to HP Support for changing your ink cartridges: L7580 Ink Cartridge

Consider XL cartridges...they last much longer.

Also, for reference, here is a link to the User Guide for your printer: L7580 User Guide

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