Inkjet printheads

Hello Forum: Complete newbie here. Query: I have an HP2000c Inkjet color printer. It has four ink cartridges (3 color, 1 black), and four little printhead cartridges (3 color, 1 black). Can someone please explain to me why it has these four extra printhead cartridges, and how they work? I've replaced the ink cartridges, and the printer is still not working. So I'm assuming it needs new printheads. But someone told me the printheads just get their ink from the main ink cartridges. So why would you need to replace the printheads at all? Also, can one refill the printheads like one can refill the ink cartridges? Thanks for any info you can provide. -GJ

The ink supply supplies the ink and the printhead prints it. There is a small pump and some plumbing that connect the two and supply ink to the printehad. On the 2000c this pump can fail resulting in error messages. See here for some details.
Bob Headrick, HP Expert
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Print only in black ink

HP Photosmart D7100 Printer series.podoshli the end of the yellow and red ink, but you need very urgently to print a document. have the opportunity to transfer print only the black cartridge?

Lilbai wrote:
Bob, thanks for confirming what HP says the printer does and doesn't do. If however, I want to print in pure black, which appears to be an option provided by the printer, does the printer require the use, rather than the presence, of colour ink to print? HP says colour ink will be drawn by the printer when the level of black ink is low but my black ink is half full and I still can't print in black only. Why would any company make a printer whose printheads will be damaged due to the absence of ink in cartridges which are not used in a printing job? I just do not understand. Has HP told consumers in its manuals or on its website the fact that black only printing is not possible without the use or presence of colour ink in these printers?
First, I do not work for or speak for HP, I am simply explaining how printers with separate printheads and ink supplies work. The printheads require fresh ink in each color to prevent clogging of the printheads. The printhead assembly contains both the black and color printheads. Consider a print job that is going to print only black. The color printheads are still being waved about in the air and will dry out and clog unless they are serviced during and after the printing has completed. This servicing requires ink because that is the only fluid available for the printheads. If printing were allowed without any color ink available for servicing the printheads could become clogged to an extent that they require (expensive) replacement. Every company that uses fixed or semipermanant inkjet printheads has similar constraints.
If you need a printer that will allow printing with one or more colors empty or removed then get a printer with the printheads included with the ink supplies. On these devices the printhead is replaced with each new cartridge so it is possible to print with one or more colors missing without risking damage to the printer.
Regards,
Bob Headrick, Microsoft MVP Printing/Imaging
Bob Headrick, HP Expert
I am not an employee of HP, I am a volunteer posting here on my own time.
If your problem is solved please click the "Accept as Solution" button ------------V
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Business inkjet 2800 put in new printheads and still says replace cyan, magenta and yellow printhead

Business inkjet 2800 replaced cyan, magenta and yellow printheads prints a good alignment but at end says replace printheads

To get your issue more exposure I would suggest posting it in the commercial forums since this is a commercial product. You can do this at: http://h30499.www3.hp.com/t5/Printing-and-Digital-Imaging/ct-p/bsc-412
I hope this helps!
R a i n b o w 7000I work on behalf of HP
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Inkjet 3522 : Printer does not print any black content

- Model : Inkjet 3522
- Cartridge: 564
- Tried 3 cartridges, 1 was indicating low so I figured that was the problem in the first place so I got a new on swapped it carefully, didnt work.
- I tried all the tools ie. cleaning printhead/status report/quality report etc.
- Printer picks up the cartridge and shows full
- 1st few times it would just print faded lines of text you can barely read it
- I did a status report just now and the Yellow/Blue/Red(pink) shows up but the section for black is just empty, won't even print the report. That was my 2nd cartridge brand new and I swapped it immediately following instructions, didnt let it sit or anything.
- I got the printer about 3-4 months ago and any help would be greatly appreciated.
Thanks!

The document here may help resolve black not printing on your Deskjet 3522 printer. Be sure to check the vents as described in solution three.
Is your printer still in warranty? You can check with HP's warranty tool here. If the printer is still in warranty and the above does not resolve the issue I would suggest you call HP for service. In the US call 1-800-HPINVENt, elsewhere see the contact information here.
Bob Headrick, HP Expert
I am not an employee of HP, I am a volunteer posting here on my own time.
If your problem is solved please click the "Accept as Solution" button ------------V
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How many copies should I get before needing to replace printhead on a HP Officejet Pro 8500A??

My printer has started printing the first page of a document but the 2nd and subsequent pages are either only partially inked or blank. If I wait a few minutes between pages then I have a better chance of getting a good printed document. What could be wrong? I purchased new printheads less than a year ago and I would imagine I average maybe 75 printed sheets per month tops. I've tried cleaning the printheads a couple of times but that doesn't seem to make any difference. Any ideas?

Hi @JACofAZ
Please take a look at the following document to help answer your inquiry; Limited Warranty for HP Ink Cartridges and Customer-Replaceable Printheads for HP Inkjet Supplies
Some printheads have warranted usage limits, as shown:
HP 940 and HP 941 printheads: 560 ml
I think it might be best to call us. If you are in Canada or US call 800 474 6836, or you can Contact HP Worldwide.
I hope this helps.
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Sunshyn2005 - I work on behalf of HP

HP7680 inkjet printer prints narrow blank (white) lines in multiple specific parts of page

My HP7680 inkjet printer prints narrow blank (white) lines in multiple specific parts of each printed page. It appears to happen in the same parts of each page printed.
- I installed new ink cartridges
- I verified that the paper I’m using is the standard inkjet paper that I always use
- In the tools section of the printer setup menu, I ran the “Clean Printhead”, “Align Printer”, and “Calibrate Linefeed” options
- In reading the printer’s manual, it seems to imply that the printheads could be the problem.
- So, I manually cleaned the printhead contacts
- When I print the self-test diagnostics page, it shows printhead health to be “Good” for both. One of them was installed in January of 2009, and the other was installed March of 2008.
- With a Q-tip, I even cleaned the clear plastic band that runs parallel to the carriage rod. (It was pretty dirty.)
Here's a scan of the printed output.
Thanks for your help!

After a 2hr phone call with tech support, here is the solution; the L7600 Series printer have a firmware update (file name: OfficejetProK7600_R2011PxN.exe) my printer was bought in 2008 thus my print head is a 2008 model, and new print heads are a 2011 modem, they don’t work right in a 2008 model this is PER the tech rep and his name was John unless you upgrade the firmware.
So I upgraded the firmware from a 2004NxN to the 2011PxN and now my printer says damaged or missing print head, I place the original print head from 2008 back in the machine and it’s fine, so I bought a 3rd print head for 2011 and it says the print head is damaged.
After another 30min or so I was told I have a bad printer and sorry the warranty is out, but the old print head works but any new print heads do not, this sounds like a HP Error firmware / hardware compatibility issue, not my issue, but HP will not repair.
HP has no fix nor will they repair the printer.

1315all-in-one inkjet won't print red

Hi all,
I have a frustrating problem. My color cartridge has plenty of red ink and if I wipe the bottom of it slowly on a damp paper towel, all three colors can be seen on the towel. But it WILL NOT print the red if I want to print a document that has red in it.
The other colours print ok, but not the red. I have soaked the cartridge in hot water, etc and done the "clean cartridge"bit to the intermediate stage, after reading various solutions on various sites. At first the red would print in the first part of the document only, fadiing out as the printing continued, but now it won't print red at all.
( When searching in THIS site for the problem I have, I cannot see any results that related specifically to "won't print red", If I search for that, surely any solutions should show up on the first page after searching, so I didn't bother to look on the second page. )
Do any of you have a solution or suggestion. How could it be that the red inkjet nozzles could be burnt out or something like that if the other colors are still ok? Beats me!

Hi @stevenblough1
I appreciate all the troubleshooting you have already done and would like to help to see if we can correct the issue.
I suggest using the following document to troubleshoot the issue. Troubleshooting Print-Quality Issues
If the issue persists, take a look at this video, you might find it very helpful. Hot Water Printhead Flush - HP Ink Series Printers with removable Printhead.
If the issue persists, I would suggest calling HP. Although the printer might be out of warranty, HP may be able to offer you something. Maybe they can offer you a discount on a newer model, or discuss the option of replacing the printhead!
If you are in Canada or US call 800 474 6836, or you can Contact HP Worldwide.
Thanks for reaching out to the HP Forums.
I hope this helps.
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Sunshyn2005 - I work on behalf of HP

Printhead problem

I have a photosmart b109a. i haven't used it for about a month but the ink was needing replaced. i switched on, all fine. i changed the ink then i got a message on the printer saying to remove ink, then printhead, then replace. i did nothing happened the computer says the printhead is either damaged or missing. how can it be damaged? i haven't touched it. i have already changed the black awhile back and all was fine.
please help.

It may be a false error message, or it may just be that when you replaced the ink that the printhead got jostled.
Try unpluging the printer and powering back on with the cartridges and printhead out. If that doesn't resolve the issue try this document
http://h10025.www1.hp.com/ewfrf/wc/document?docname=c01944580&cc=us&lc=en&dlc=en&product=3777182&tmp...
Also follow the steps in this document for checking the venting on the new cartridges
http://h10025.www1.hp.com/ewfrf/wc/document?docname=c01458034&cc=us&lc=en&dlc=en&product=3777182&tmp...
Trained on Mac and Windows for inkjet printers.
**Although I work for HP, I do not represent them in these forums**
If I've resolved your issue please mark as Accepted Solution so others can use my advice! ^.^

Inkjet Failure Hp Photosmart 3310 How to resolve issue?

Can anyone help me with troubleshooting methods to resolve an inkjet failure with a Hp Photosmart series 3310 Printer Please?

@Photsmart3310Welcome to the Community!
I understand you're facing an Ink System Failure on your Photosmart 3310.
My suggestion for you, would be to check out and try the steps in this guide for that specific issue. It might help!
'Problem with Printhead,' 'Printer Failure,' 'Ink System Failure,' or a '0x...' or a 'C2...' Error M...
If the troubleshooting does not help at all, I would lastly suggest technical support.
Please call our technical support at 800-474-6836. If you live outside the US/Canada Region, please click the link below to get the support number for your region. http://www8.hp.com/us/en/contact-hp/ww-phone-assist.html
Happy Wednesday
R a i n b o w 7000I work on behalf of HP
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How can I unclog the printhead of a Pro 9500 printer? It's too clogged for the printer utility.

Hi,
How can I unclog the printhead on a Pro 9500 printer? The printer utility cannot do it. It's too clogged for that and just uses up the ink without unclogging it. I tried the "Magic Inkjet Flush" but that didn't completely clear it. I wasted a lot of ink in the process. I'm thinking of just taking the printhead out and somehow soak it in an ammonia solution. Is there a way of doing this and will it work?
Thanks,
Bill

Hello artjewel.
Unfortunately, we cannot recommend that any parts are physically cleaned. We can only recommend that the Cleaning and Deep Cleaning options in the printer maintenance section are used.
If the quality issues persist once these cleanings have been done, please contact our support group using the link below for additional assistance.
http://www.usa.canon.com/cusa/consumer/standard_display/contact_us_consumer
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Blocked Inkjet

My printer is a DeskJet 720C, and my colour cartridge, HP1823, an unused original, which has been in storage for a while, and is now out of warranty, has it's Magenta inkjet blocked completely. The Yellow and Cyan jets were also blocked when I first tried it, but they soon flowed and printed as normal after a few minutes in a bath of hot water plus rubbing alcohol.
Would a blast of air help? I could take the cartridge with me next time one of my tyres needs to be inflated! Thank you!
This question was solved.
View Solution.

Blowing air from an air compressor would likely damage the printhead. You might try putting the printhead in an inch of very hot water for a few minutes, but most likely you will just need a fresh #23 cartridge.
Bob Headrick, HP Expert
I am not an employee of HP, I am a volunteer posting here on my own time.
If your problem is solved please click the "Accept as Solution" button ------------V
If my answer was helpful please click the "Thumbs Up" to say "Thank You"--V

Replaced Ink Cartridge on HP2800 Business Inkjet--won't print. Error says low toner

We have a 6 month old HP 2800 Business Inkjet. Replaced the black toner cartridge, now the printer will not print. When we print a job, we receive error message Intervention needed, low toner. The printer will print from its menu example Configuration page or pages that print when you align printheads.
When you try to print a job from a computer, error message--intervention needed, low toner.
We are printing from Mac computers. OSX version 10.5.6. I've printed configuration page, Ink Cartidge status for all 4 is 99%. Printhead status is good for all.
Tried unplugging from power and network, removed and replaced toner and printheads.
Can anyone help?

If its an old cartridge even if it's new there is an expiration date built into the cartridge. Try a new one and on the box check the date.

ISO Inkjet for envelope printing

For years I've been using a Canon i560 inkjet for heavy duty envelpe
(invitation printing) and it worked great. The printhead on it is gone and
it doesn't seem logical to spend close to $50 to replace it with so many
cheap injets out there.
Does anyone have a suggestion for a replacement? I do not need photo
quality, and prefer one that uses generic cartridges. In the past I've found
that the Canons handled the thicker invitation envelopes best.
Of course I don't want to spend more than necessary, but more important than
price is suitability to my needs.
Any ideas?
Thanks.
Cyndee

We use R280 with refill system from ufosytem.net and the ink from them as well for wedding invitations.
So far, we save a lot of money.
It comes with life time warranty and their ink is outstanding.
I did contact them for Epson r3800 system which they mentioned it will be ready in few weeks.
The R3800 is a perfect ink jet printer for my wedding business but the ink cost is crazy.

Cross ticking lines appearing on graphic linework on HP Business Inkjet 2800

Our HP Business Inkjet is printing inch wide bands of cross ticking lines on graphic linework (see image below). We have replaced the printheads, calibrated the linefeed, printheads etc. and even replaced the service station.
Come to the end of the road on what to try next to resolve this............solutions please!

They look to be in difrent directiond. try slowing it down go to best setting and se if that helps

HP Officejet Pro 8500 A909g seems to destroy printheads

My wife and I have identical “HP Officejet Pro 8500 A909g Series” (S/N: [Edited for Personal Information] for my printer) printers bought within several months of each other. We have owned the printers since late 2009.
My printer quit printing cyan completely and magenta partially. I replaced both ink cartridges, which did not fix the problem. I then removed the printheads and cleaned the electrical contacts with denatured alcohol and also cleaned the contacts in the printer. This did not fix the problem either.
So I “borrowed” the printheads from my wife’s identical printer and placed it into my printer. That didn’t fix the problem either. When I put the borrowed printheads back into my wife’s printer, it immediately displayed the same symptoms as my printer (it wouldn’t print cyan at all and partially did not print magenta.
The “Self Test Diagnostic Page” of both printers state that the printheads are “Good” in both printers.
During the “Align Printer” task, the LCD on the printer displays a message indicating that the printhead(s) are bad.
Question: is it possible that the printer itself is faulty and causing the printheads to permanently not work correctly?
Second Question: If my printer is bad, what other similar models of all-in-one printers use the same ink cartridges?

Hello Neil-in-Tucson,
Welcome to the HP Forums.
I see that you are having an issue with the Printheads on your printer.
Are you seeing any error codes on the printers display screen?
Please make sure that you have the printer power cable connected directly to a wall outlet and not a power bar/strip. Here is a document that uses a LaserJet printer as an example but it is meant for HP products in general. Please click on the following link that explains the Issues when Connected to an Uninterruptible Power Supply/Power Strip/Surge Protector.
If you like, you can try calling HP's Technical Support to see about further options for you. If you are calling within North America, the number is 1-800-474-6836 and for all other regions, click here: click here. They will be able to get into more detailed troubleshooting.
Thanks for your time.
Click the “Kudos Thumbs Up" at the bottom of this post to say “Thanks” for helping!
Please click “Accept as Solution ” if you feel my post solved your issue, it will help others find the solution.
W a t e r b o y 71
I work on behalf of HP

Inkjet printheads

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