HOW TO REMOVE AND REPLACE OFFICEJET PRO 8500 A 910 PRINTHEAD

HP OFFICEJET 8500 A 910 PRINTHEAD ALIGNMENT FAILS. HOW DO I REMOVE & REPLACE THE PRINTHEAD. I HAVE READ THE USERS GUIDE WHICH SAYS LIFT UP THE TOP AND THEN LIFT OUT THE PRINTHEAD. UNFORTUNATELY YOU ARE NOT TOLD HOW TO DO THIS. I OBVIOUSLY DO NOT MEAN THE TOP COVER OVER THE GLASS... THE PICTURE SHOWS THE TOP COVER RAISED AND ACCESS TO THE PRINTHEAD. THERE IS NO ACCESS TO THE PRINTHEAD WITH THE TOP COVER RAISED!!!
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Hello,
Please click http://h10025.www1.hp.com/ewfrf/wc/document?docname=c02257580&tmp_task=solveCategory&cc=us&dlc=en&la... to access the steps that should resolve the issue .
Please refer to Solution two .
Regards,
Jabzi
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HP Officejet Pro 8500 A 910 - Missing entry: RunDLLEntry

Each time I boot up my computer, I get the following error message on the Desktop:
Error in C:\Program Files\HP\HP Officejet Pro 8500 A 910\bin\HPStatusBL.dll Missing entry: RunDLLEntry
I can't find this file. I uninstalled the printer and reinstalled it - and still get the message.
How do I fix it?

Hi Sunriver10,
I see you are getting the Error "C:\Program Files\HP\HP Officejet Pro 8500 A 910\bin\HPStatusBL.dll Missing entry: RunDLLEntry" when you boot up your computer.
I will be happy to help you.
Hold down the Windows Logo key () on the keyboard and the 'R' to open the run box, type %temp%.
Delete all files and folders from the temp folder. Choose skip if any pop ups appear saying any of the files could not be deleted.
Uninstall the software again - Uninstalling the Printer Software.
When the uninstall has completed restart the computer.
Follow these steps to reset the registry settings and options for Windows Installer.
Hold down the Windows Logo key on the keyboard and the 'R' to open the run box
In the Openbox, type msiexec /unregister, and then click OK.
Hold down the Windows Logo key on the keyboard and the 'R' to open the run box.
In the Open box, type msiexec /regserver, and then click OK.
If you have any difficulty with this step, please use this link to perform it another way.
Restarting Windows Installer.
Run Disk cleanup from Accessories\ System Tool <How to Delete files using Disk Cleanup
Download and install the latest version of Adobe flash player http://www.adobe.com/support/flashplayer/downloads.html
Restart the computer.
Do a msconfig and turn off any start up programs and Antivirus Software before running the Wizard.
Turn then on again after. How to use MSCONFIG.
Download and run the HP Printer Install Wizard for Windows.
The HP Printer Install Wizard for Window was created to help Windows 7, Windows 8, and Windows 8.1 users download and install the latest and most appropriate HP software solution for their HP Printer.
Please let me know if this does resolve the issue.
Thank you for posting on the HP Forums.
Have a great day.
Please click “Accept as Solution ” if you feel my post solved your issue, it will help others find the solution.
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Gemini02
I work on behalf of HP

Epson Workforce 500 and HP OfficeJet Pro 8500 - "Printer Offline"

This week I downloaded an Epson printer driver update from Apple's Software Update. I use an Epson Workforce 500 with my Mac Mini computer at my office. Since installing Snow Leopard originally I had experienced no problems with the printer but assumed that if Apple was telling me to install a driver update, I should do so. Big mistake!
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Switched the USB cable to a different USB port on the computer.
Restarted the computer and the printer.
Unplugged and replugged the computer to reset it.
Checked to confirm that the printer does show up under USB on the System Profiler.
Deleted any old print jobs in the print queue and made certain that the printer was not in pause mode.
Tried to print from various programs with the same result.
Although this printer does appear in the printer list, deleted it and then added it again under the Printer and Fax area of System Preferences.
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Repaired disk permissions several times.
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HI and Welcome to Apple Discussions...
Try downloading and installing the 10.6.1 combo update. It's OK to do this even though you are already running 10.6.1. One of the "fixes" .. "some printer compatibility drivers not appearing properly in the add printer browser"
http://support.apple.com/kb/DL930
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HP OFFICEJET PRO 8500 PRINTER - new printhead installed - "checking device" won't shut off.

My magenta cartridge was not printing. All I got on the printed sheets was red ,yellow and pink colors. I replaced the magenta cartridge and the same thing happened. I then replaced to ccyan cartridge with the same results. I searched the tutotials and installed a new magenta/cyan printhead.
Now the "checking device" message won't go off. After about an hour I tried to turn the printer off and received the message that the mechanical operations coud not be turned off.
After another hour I just unplugged the printer.

Hello kenishal,
Welcome to the HP Support Forums!
Sorry to hear that the Officejet Pro 8500 is not printing its colors correctly, usually this type of issue is resolved by replacing the printhead. Hopefully we can get the printer past "checking device" to see if it has resolved the problem.
You can try removing and installing the printheads and the cartridges again, here is a walk through guide: 'Initializing' Displays on the All-in-One for Longer Than Expected During Setup.
If that helps get the printer to finish "checking device" and you are still having the missing or incorrect color issue, take a look through this support page: Fixing Ink Streaks, Faded Prints, and Other Common Print Quality.
Let me know if those suggestions have helped.
JERENDS
I work on behalf of HP
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Problem with HP Officejet Pro 8500 printer: cleans printheads every time it's turned on

Hello everybody,
the printer HP Officejet Pro all-in-one 8500 (A909a - product n. CB022A) cleans printheads every time I turn it on. This problem affects any HP Officejet Pro 8500 printer, it isn't a problem only of that one I purchased. It is an annoying and irritating bug because the printheads cleaning at each power on implies two bad disadvantages:
ink waste (each printheads cleaning process consumes some ink);
too much time (2-3 minutes) to get the printer ready after power on.
I upgraded my printer with the last firmware available on the HP site (firmware ver. DLM1FN1006BR) but the bug is still present.
At this point I ask:
there exists a way (or procedure) to disable this unnecessary automatic cleaning at every power on?
Can someone contact HP engineers or tell me how contact directly one of them to indicate the bug and ask a new firmware update?
Please don't tell me to leave the printer turned on all the time or that the printheads cleaning at every power on is a normal behavior! Where is then power and ink saving claimed for this printer model?
I hope to receive a solution for this problem. Thanks in advance to everybody will help me!
This question was solved.
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The servicing when the printer is turned on is normal and is required to keep the printheads healthy (not clogged). See here for information.
As for power savings, the printer will automatically go into a low power mode when not printing for some time. It is not necessary to turn the product off and on to save power.
Bob Headrick, HP Expert
I am not an employee of HP, I am a volunteer posting here on my own time.
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IPrint and HP OfficeJet Pro 8500 A909G

I am currently using an Office Jet Pro 8500 A909G printer and very happy with it's performance. Can this unit be used with the iPrint feature for iPhones, iPods and iPads ?
I've seen some HP printers noted as being compatible, but not mine.
Gary

Hi Gary,
Yes, you can use this printer with iPhone using HP iPrint software. The printer should be in network
Say "Thanks" by clicking the Kudos Star in the post that helped you.
Please mark the post that solves your problem as "Accepted Solution"

Satellite A30 keyboard suddenly stopped working - how to remove and replace?

Hi all, n00b to laptops and first post. Ok, I usually build and repair desktops, so much easier to gain aceess!!
My daughter switched on her A30 laptop last night and only 2 keys worked. Tried rebooting and getting into BIOS but couldnt. Tried getting it to boot into safe mode, only the up and down arrow working so could not select safe mode...doh. Am guessing this must be a harware problem.
Rebooted into Xp an opened up notepad....this time about 5 keys working. Reboot, 3 key etc etc.
How do I get to the ribbon cable to make sure it is seated properly. Is it common for a keyboard to fail in this way and is it easy to get a replacement?
At the mo, have all the small screws I can find out, removed battery, DVD rom and hard drive. Seems to be held towards the middle and rear. Dont want to force it and break something else!
TIA.

OK, so I had to laugh....flip the little cover on the top of the laptop and there are the 2 screws that hold the keyboard in place....lol
The ribbon cable was just about in its connector. Pushed it in and engaged the two locking tabs on the plastic retainer...job done!
Put it back together, fired up and Bingo! we have a keyboard again!
Oh well, may help someone else I guess.
Now she has no excuse for not doing her homework!

Re: Problem with HP Officejet Pro 8500 printer: cleans printheads every time it's turned on

I own two of these printers and they both have been cleaning printheads every time it's turned on. My old HP officejet never had these problems.
The real problem is HP s credibility . They promoted that these printers used half the ink as any other printer. Even consumerreports showed 1/2 the cost per page.
As we all know that is pure BS notwithstanding the cleaning printheads issues.
Maybe I will let Costco know that I and all owners are unhappy and see if they will refund. They still sell them .
I will repost if I have any success.

If the printer is a year or couple yrs old, maybe the printheads need to be replaced? I once thought they would last forever, and that's really not the case with them, nor anything else really. Hope costco has some good news for you

How do I set up wireless printing of my Officejet Pro 8500 on a laptop with Windows 8?

How do I set up wireless printing from my all in one Officejet Pro 8500 printer to my laptop with Windows 8?

You can set up your printer for wireless pretty easily if you have the Full Feature Software installed on your computer for your printer. The setup is done as part of the installation.
Read through below, then select how you wish to proceed. There is a video to assist - see below!
Install Printer Driver / Software
If your printer stops working (and it’s not a hardware problem), it may be due to software or driver issues. There are tools to help you diagnose the problem and help documents to guide you to success.
You might just desire extra features for your printer, or need extra tools to help with scheduled maintenance.
In many cases, you can (re)install the Full Feature Softwarefor your printer to enhance its capabilities. The HP Solution Center is an integrated part of the FFS. For e-print, you will want the e-print software.
If you have the CD that came with your printer, use that to install your Printer software -- IF the CD is compatible with your current Operating System. If you do not have the CD, or if the software on the CD is outdated, then you can use the online installation tools.
(Re)install the basic driver or HP Printer Full Feature Software or other software for your printer:
Drivers control hardware connected to the computer (wired or wireless)
Software controls the programs that interact with the User
Go to the top of the forum page to Support and Drivers
Officejet Pro 8500 Series
Enter your Printer Model information, and then go to Software and Drivers...
Enter your Operating System in the Drop-down menu... Click NEXT and Scroll down
Look for category Driver - Product Installation Software
Select the appropriate Basic Driver, e-print, or Full Feature Software, as appropriate
NOTE: You may also wish to download the Print and Scan Doctor and / or other Tools from Category - Utilities
Save the *.exe installation package(s) on your computer
Pay attention to the name and the location of the file(s) when you save the file(s). The file(s) will likely save to the "Downloads “folder.
You may remove your existing printer software with the following tool. Fixit is of particular use when the existing printer software is being replaced due to severe problems with the printing program.
Fixit -- Fix problems with programs that can't be installed or uninstalled
NOTE: If you have a recent working version of the Full Feature Software on your computer, you may opt to skip removing the existing printer software in the above separate step. During installation of your Full Feature Software, when the installer package detects the “old” printer software on your computer, the program will ask you to remove that old software: The program will then invoke an internal printer software removal program that is written to remove printer software. Once most of the old printer software is removed, you will be asked to Reboot your computer and log back in. After you log in, the final bits of the old printer program(s) are deleted and the new software will be installed. Depending on your system, the whole uninstall and install process might take as much as eight to twelve minutes.
Remember to Install the programs from Category Utilities first, if applicable, as these are smaller in size.
Install the downloaded Printer Software package last.
If you have ‘Admin’ control, you may highlight the package and “double-click” to install it, else Right-Click, Select ‘run as Administrator’ and install.
NOTES:
If using: Download and install the driver software before connecting a USB cable.
After the initial installation is complete, be sure to check for and install any relevant updates - check Category - Update. The Updates are important and can mean the difference between software that works as expected and software that does not work.
You may also wish to check for a Category named Firmware. Installation of any package in this Catagory is personal choice and must be based on the contents in the package and whether or not your printer is working as expected.
Extra help for setting up your Wireless Printer:
Reconfiguring your printer
Troubleshooting Your Printer - Network
Video Help for installing your Printer:
Downloading and Installing a Full Solution Driver in Windows 8 Using a Wireless Connection
Kind Regards,
Dragon-Fur

Hp officejet pro 8500 premier all-in-one printer

The above printer is 1 1/2 years old and it has stopped printing. When the printing became light, I installed new print cartridges less than a week ago. Now, after five days, the printer is consistently cleaning the print heads and aligning the print heads and my documents are not being printed. And, what is most frustrating, during all the cleaning and aligning, all of my new ink is gone and I'm receiving a message replace ink cartridges.
Re: Problem with HP Officejet Pro 8500 printer: cleans printheads every time it's turned on
Options
08-24-2011 06:34 PM
Well,
to this is say, "get used to it", or throw it away. Many, Many, Many people have had trouble with this printer.
The following are common and frustrating issues that this printer exhibits on a regular basis:
1. Constant Self-Checking (usually every 20-30 pages of print)
2. Very persistant Printhead Cleaning/Checking, (Every startup and after about 20-30 pages printed).
3. Worn-out printheads (usually within 1,100 to 1,500 pages printed).
4. Paper mis-feeds.
5. Paper jams.
6. Nearly impossible to use once the printer reports ink-depletion.
7. Nearly impossible to use CIS Ink for larger print jobs.
8. Ink and printheads "expire" regardless of when they are placed into service. (get a deal on ink or printheads last year? Too bad, the warranty is already expired, most likely).
In short, this printer is the most EXPENSIVE printer I've ever owned, and the most frustrating to use.
I have just over 2,000 pages of regular text printed matter with very little color, and have already gone through 4 sets of ink, and 2 sets of PrintHeads.
Although it's true that you can leave the unit on, and let it go into standby, you should NOT be punished with constant and time-consuming "self-checking" everytime it's turned on, or prints a handful of pages, BUT, it does NOT appear that HP will be standing behind this printer disaster. AND, to make things worse, they've gone on to redesign it, giving it a different look, and so there are about 6 different models/versions of the OfficeJet Pro 8500.
Anyone needing a reliable print/fax/scan/copy solution should look beyond this printer, because it will leave you wanting more, and spending more than you ever imagined you would have to on a late model printer.ro
What is going on? Why does it just automatically clean and align? I also get alignment failed messages. Any suggestiions?

rammerjammer,
Thank you for bringing this to my attention, your feedback is very important and I want to do my best to help. To answer what is going on, since the printing became light, started cleaning itself constantly, and fails the alignment, the printhead was damaged. Click here to see and use the Limited Warranty for HP Ink Cartridges, Printheads, and Related Supplies. There are many ways to contact HP. The number to call is 1-800-474-6836 for HP and Compaq products for Home & Home Office use. If you no longer have a warranty with the printer you can still use the warranty that comes with the printhead or ink cartridges.
If you have a carepack with the printer that extended the one year warranty then the troubleshooting will be covered along with the printer if the printer needs replacing. Check product warranty here, see HP Out of Warranty Support Options for Select HP Consumer Printers here.
To order a new printhead you can go to HP Sure Supply and enter your printer or go to the HP Parts Store and order the printhead by part number C4900A for the Black and yellow and part number C4901A for the Cyan Magenta. These printheads go by region also so be sure you are using the right region, these were found using the United States region.
The HP Officejet Pro 8500 Premier All-in-One printer has separated the ink cartridges from the printheads. The ink cartridges are on the lower left and the removable print heads are on the carriage inside the printer. The printer goes through a calibration process when turned on that will use ink. Leave the printer on and let it go into stand by mode. This type of printer is energy star efficient and made to calibrate on start up and be left on. Allow the printer to clean or calibrate only if the printer must. If it starts cleaning a lot it may be time to do a little maintenance to the printer (recommend once a month for maintenance). Please see the following links for further details.
Cleaning the Printhead Contacts
Printer Paper Tears, Wrinkles, or is Damaged while Printing from the All-in-One
Paper Path Issues in the Automatic Document Feeder
Officejet Pro 8500 User Guide
The printer has a duty cycle of 7.5k page/month. The XL cartridges have a composite page yield of 1.4k pages with about a third of the black ink left over. To me it would seem that the printhead should last somewhere in between. This printer was designed to save money on ink compared to the rest of the officejets. I hate that it has been causing so much trouble, hopefully the information I provided will help.
HP Officejet Pro 8500 Premier (A909n) and 8500 Wireless (A909g) All-in-One Printers Product Specifications
Click here for page yield information.
Click the Kudos on the left side for helping and click Accept as Solution for providing a solution. I work for HP.
Best Regards,
Kenneth

How to change printer heads on the officejet pro 8500 premier A909n

My Officejet pro 8500 premier A909n will not print color i have cleaned the printerheads a few times and it still wont print colors. How do i change the printerheads? I tried to get the cover off on the right hand side but cant seem to get it off and i really do not want to break it. How does it come off?

Hi there @plbart
Welcome to the HP Forums!
I read about how you are looking to remove the printheads in your Officejet 8500 A909 model.
Check out this guide I have found for you that will show you instructions on how to replace and remove the printheads.
Replacing the Printhead for HP Officejet Pro 8500 All-in-One Printer Series (A909)
I hope this helps, have a great Monday!
R a i n b o w 7000I work on behalf of HP
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“Thanks” for helping!
Click “Accept as Solution” if you feel my post solved your issue, it will help others find the solution!

I have my HP OfficeJet Pro 8500 A connected to my Mac Book Pro on a Wireless network. It works and

I have my Hp Officejet Pro 8500 A connected to my MAc Book Pro which is running Lion OS on a wireless network. It works just fine and prints and everything. The problem is a "HP Utility" window that pops up on my screen and says it is "connecting to device" and lists my printer. It just runs and runs and the entire thing is gray - meaning I can't close it, cancel it, or anything. When you try to click on it, the arrow becomes the color wheel of death. It is driving me crazy. I have gone through settings, I have downloaded the latest drivers, I have looked in utilities, I have opened the printer folder and can't find where this thing is coming from or how to turn it off. Please help. And yes I have turned offf the computer and rebooted.

If you are using Snow Leopard or Lion and have HP software for pre-Snow Leopard (either from a CD not marked as compatible with 10.6 or you recently upgraded to Snow Leopard or Lion and had the HP software on your Mac before you upgraded - even if you did a standard uninstall of the old software or installed new software over the top of it) you must uninstall the software using the 'scrubber' option:
Go to Applications/Hewlett Packard/ click on HP Uninstaller
Click on Continue
Highlight your device on the left pane
Press and hold Control + Alt + Cmd keys on the keyboard simultaneously while you click on Uninstall <<<< This IS the Scrubber Option, there is no button labeled "Scrubber"
There will be a pop up that asks if you are sure you want to uninstall ALL hp software. (At this point, if you continue, any HP printers you have installed will need to be reinstalled)
Click Continue and let it finish
Restart your Mac
Download and install this: http://support.apple.com/kb/DL907
Now reset the printing system:
- Sys Prefs, Print & Fax
- Right (control) click in the rectangle listing your printers and select Reset Printing System.
WARNING - this will delete ALL of your printers!
- Select the plus sign to re-add it. Look for the printer, select it and wait until the "Add" button becomes available. Click it.
If you want more features, you can download and install the Full Featured software from the "Support & Drivers" button at the top of this page, otherwise, basic printing and scanning will work without it.
Say thanks by clicking "Kudos" "thumbs up" in the post that helped you.
I am employed by HP

HOW TO REMOVE AND REPLACE OFFICEJET PRO 8500 A 910 PRINTHEAD

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