HP Officejet Pro L7780 - Registration Problem

I downloaded and installed the full software for the HP Officejet Pro L7780. When the software asks to be registered and I put in the printer and the search comes back 0. I have tried the name and the product number and still keep getting the same result 0. When I hit enter, the registration goes away and I have this running on my computer. I can't seem to get it to complete. Please tell me there is a simply solution to this. Thanks
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I fixed the problem by terminating the process and everything is right with the world.

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Officejet Pro L7780 Printhead Problem

My printer is 2.5 years old and has light home use. The printheads started failing...I had to run "clean printheads" before attempting to print anything. HP Solutions said "Printheads OK." Still, the printer was unusable.
I bought 2 new printheads, cleaned the printhead contacts in the printer, installed the printheads. Now the printer won't do anything and HP Solutions says printhead health is "bad," and the display window on the printer says both printheads have a problem.
I re-inserted the old printheads and the "problem" messages disappeared, HP Solutions says printhead health is "good," but the printer won't print.
I've done every solution suggested on user forums.
I've done a full factory reset and flashed new firmware. No help. Anyone had a similar problem and been able to solve it?
Thanks.

Sorry you're having trouble with your L7780. HP doesn't recommend routinely cleaning the electrical contacts before you install new printheads. I'm worried that you might have transfered some ink onto the contacts, since your problem changed from a print quality problem to a error message. I would suggest that you try cleaning the electrical contacts one more time. Try the instructions in this document: http://h10025.www1.hp.com/ewfrf/wc/document?docname=c01628836&tmp_task=solveCategory&lc=en&dlc=en&cc... - make sure you let everything dry completely before you reinstall the printheads.
Also, for print quality issues, this is the HP support doc http://h10025.www1.hp.com/ewfrf/wc/document?docname=c01957673&tmp_task=solveCategory&lc=en&dlc=en&cc...
I work on HP's behalf.

Duplex Printing Problem - Word 2007, Vista and HP Officejet Pro L7780

I'm having trouble with duplex printing on my new HP Officejet Pro L7780, from Word 2007, running on a brand new Vista system. I've also had this same problem (repeatable) with two other computers, running XP Professional/Word 2003, XP Home/Word 2003. All of the service packs have been installed for the operating system, word, and printer.
If you print a landscape document, using the auto duplex setting for the HP printer, the margins will print out offset by .25 inches, on the left and rigt margins. So if your margin is 1 inches on right and left, the margins will print to .75 on one side and 1.25 on the other. This would be annoying, except that I'm trying to print brochures and books, which requires that the pages print out exactly as set up... "close enough" isn't working for me
The way I have replicated this problem is as follows: set up a document in landscape format, using the default margins. Insert an image on page one, size it so it takes the full margin area. On the second page, fill it up with text. Print the document, selecting the printer properties and setting Print on Both Sides=Automatic. The easiest way see the problem is by holding the document up to the light. The front and back margins should match and they don't.
Any help you can provide would be very much appreciated.
Diana

Diana,
This problem is perhaps much larger than you might have imagined. We have tried to work with Hewlett Packard for over two years on the duplex printing problems. In the process, we have expended over 100 hours of effort in troubleshooting the problem which has included updating software, reinstalling software, developing test documents, escalating issues, submitting technical findings, and in purchasing replacements. Unfortunately, our efforts to interact with Hewlett Packard excalated support have resulted in an aire of apathy, disinterest, incompetence, frustration, redundancy, occasional discourtesy, and an outright lack of professional decorum - something inconceivable of a large, reputable company.
We have identified several problems with duplex printing. The duplex printing problems include irregular margin increases (.25 to .50 inch), margin shifts, cut-off text, compressed text, and compressed graphics. Please note that most of these problems are only evident when printing documents from computer applications to the printer. If the user simply uses the front printer panel to copy in duplex mode, these problems are not always evident. This suggests that the printer mechanics are capable of properly duplexing and that the problem lies in the drivers.
The problem is evident on the HP OfficeJet Pro L7780, Photosmart L7180, Photosmart C6150, Photosmart 3310, and likely on many, many other HP models. The problem is evident on many computers (HP, IBM, Toshiba, and Dell), is evident in multiple applicatons (Word, Wordperfect, Excel, Peachtree, Notepad, and many more), and is evident on multiple operating systems (Windows XP Home, Windows XP Professional, Windows XP Media Center Edition, and Microsoft Vista).
We consider ourselves to be extremely polite, patient individuals, but have nearly been driven to outrage by the indignant disregard offered us by HP's escalation support department; a department which should represent the cream-of-the-crop in both service and technical expertise. Given the ease with which the problem can be duplicated, we expected an extremely quick resolution by HP who, to our knowledge, has never even made the effort to duplicate the problem in-house on our behalf.
Ironically, HP highly advertises their J.D. Powers rated technical support, yet it appears that they actually have extremely poor published consumer rankings in some of today's mainstream computer magazines. HP technical support makes no apologies for the fact the user cannot use a major feature of their printers, offers no indication that the problem is even being addressed, and off-loads the responsibility by suggesting that we contact Microsoft (who is to blame for this issue).
Thank you, Diane, for your message. We had a hard time imagining that we were the only one experiencing this problem, especially when HP promotes such a representation. Which also begs the question why HP plays like the problem does not even exist? I also fail to understand why HP technical support shows so little interest in a problem that is easily duplicated and adversely affects a major feature of the printer which is commonly used by individuals purchasing equipment for its duplex capabilities.
This is sad because we have been a loyal customer of HP for over twenty-five years. There was a time when we would have happily endorsed HP's steller products and steller support (provided you could get a problem escalated). Now, however, they all-too-often appear to offer equipment that fails to support advertised features which is backed up by sub-standard support and extremely expensive ink. This is an especially sad commentary for users who are buying HP's upper-end printers and computers.
We desire to know if there are others out there experiencing similar problems? If you have experienced these problems or would like samples of the problems we have duplicated, please respond. I think the more information we gather, the better our chance of a successful resolution to a serious problem.
Thanks Everyone!

Can't configure Wireless Connection to HP OfficeJet Pro L7780

I recently purchased both my iMac 24" 2.8GHz computer with OS x 10.5.2 and HP OfficeJet Pro L7780. I was able to use the HP setup CDs for my Windows laptops and configured them to use the printer in a wireless configuration.
The iMac is creating the headache (actually I think it's HP causing the headache). When I try to install HP's driver 9.7.1 using their utility, it is unable to detect the L7780 in a wireless configuration. The moment I connect via USB or wired Ethernet, the printer is detected without a problem. My printer is located @ 192.168.1.30, fixed IP address via a NetGear FSW308 switch. My iMac is fixed @ 192.168.1.100 and the gateway is 192.168.1.1
I spent hours on the phone with HP support and am still in the same spot... HP software won't find the printer when it is wireless. I can configure OS x 10.5.2 to use the internal L7700 series driver and put the IP address in the dialog box. The printer prints without issue using the OS printer drivers, but the other features such as scan and fax will not work without the HP software.
I can ping the printer and I can connect to the printer's EWS, but the HP software will not find the software.
Overall config: iMac wireless network connection to switch; Printer also wireless connection to switch.
So far HP is dumbfounded and all they can say is that I should call Apple because the printer software works fine when I connect the Ethernet or USB cables.
HELP!
Thanks,
Roland

Thank you for the thought. Yes, although my SSID is public, I have a WEP 128-bit security key. The printer, the iMac and my Windows laptops all connect to the wireless network without issue, as evidenced by my Windows laptops and iMac (if I use the driver included with OS X 10.5.2).
I can ping the printer from the iMac as well as connect to the printer's web interface, so connectivity exists. It is as if the setup software or the printer are trying to communicate using a port that or service that OS X may be blocking.
My OS X firewall is configured to accept all connections though... so that shouldn't be the issue unless there is a bug in accepting all connections.
Thanks,
Roland

HP Officejet Pro L7780 All-in-One Will Not Print Blue Ink - It Prints Pink Instead

HP Officejet Pro L7780 All-in-One -
Issue:
Blue ink will not print (It prints the color pink instead.).
Actions taken:
1. Cleaned ink heads.
2. Replaced ink cartrige.
3. Reinstalled software.
Sugestions by HP customer service:
Purchase a new printer: Because the issue is software related - not reading the blue ink cartrige.
Any suggestions or advice would be very much appreciated.
Thank you for your time!
Thank you.
Sincerely,
Ryan

The cyan portion of the printhead may be clogged. I would suggest running the diagnostics shown here. If three levels of cleaning of the printheads does not resolve the issue you may need a new printhead.
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

HP Officejet Pro L7780 All-in-one not scanning with Yosemite

I have searched for a workaround or fix to the scanning problem I'm having. I just bought a brand new Macbook Pro Retina and have loaded the latest printer drivers for the HP Officejet Pro L7780. The printer works ok, but I can't get the scanner to work. When I try, it says: "Failed to open a session on the device."
I'm using the printer over a wifi connection.
Can anyone help with this, please?!
Thanks!
peace,
bart

Hello,
This is to anyone else who can help I have the same problem with an Officejet 6500A Plus to the same laptop. It's ....... annoying, HP says nothing and so do Apple.

HP Officejet Pro L7780 - Network Letter Nightmare!

Hello.
I'm hopin somebody can help with a problem I am having with my HP Officejet Pro L7780:
The printer is connected to my wireless network and all is well with this. The problem lies with the network letter that it assigns itself to on my PC (Windows 7 Ultimate) for the in-built card reader on the printer. It is using the same letter as a virtual cd-rom drive on my PC - and I would like to move the letter the printer uses - and not the cd-rom drive, as I have my PC setup in a way where different types of drives are grouped together. Is there some way (possibly through the Windows registry) that would allow me to change the letter of the network drive (as it seems to automatically assgn one) and keep it using that new letter rather than interfering with the cd-rom drive and denying access to it every time Windows 7 boots?
Or alternatively disabling the card reader function on the printer as I don't use it?
Thanks to anybody who can solve this - as it is driving me mad!
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I finally found a solution to this problem that works for me.
I too have an HP printer that was mapping its memory card slots to a Z: drive every time I booted my Windows 7 computer.
To change the mapping to another letter to free up the Z: letter, I placed a memory card into one of the printer memory card slots. I then disconnected the Z: drive from the printer mapping (right click the Z: drive in Windows Explorer and choose the Disconnect option).
I then used the "Map network drive " option on Windows Explorer toolbar to map the printer memory card slot to another drive letter. You have to know the network address (or name) for the printer to do this: \\[printer network address or name]\memory_card (e.g.: \\192.168.1.108\memory_card). This address goes in the "Folder" textbox of the Map dialog window. Make sure the "Reconnect at logon" option is checked. And make sure you select a new drive letter that won't be needed for anything else later. Then click "Finish."
After I did this, the printer has continued to use the new drive letter at boot-up instead of Z:, leaving Z: free for other applications.
I don't think the above works if there is no memory card in one of the printer memory card slot.

HP Officejet Pro L7780 ink cartridges leaking

The printer says I need to replace cartridges even though I already did. I discovered the ink is running throughout the printer, over the mother board and out the power supply connection. Has any one else had this problem?

Hi WelcomeCenter,
Thank you for visiting the HP Support Forums. Since this is a duplicate post I'm going to lock this one, please check your other post here for replies:
HP Officejet Pro L7780
Thanks!
Wendy M - HP Support Forums Moderator
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HP Officejet Pro L7780 All-in-One Printer & Verizon D-Link wireless router. will not connect

I have a HP Officejet Pro L7780 All-in-one and not able to get it to connect to my Wireless Verizon D-Link Router.
Please advise.
aileensnider

Let's start here.
Printer does not maintain wireless connection.
http://h10025.www1.hp.com/ewfrf/wc/document?docname=c02817031&tmp_task=solveCategory&cc=us&dlc=en&la...
Say thanks by clicking the Kudos Thumbs Up to the right in the post.
If my post resolved your problem, please mark it as an Accepted Solution ...
I worked for HP but now I'm retired!

HP Officejet Pro L7780 won't print individual pages of a file

I have a HP Officejet Pro L7780 setup with wireless printing on my network and am using Windows 7 on a 64-bit computer with MSWord 2007. I'm trying to duplex print just specific corrected pages (like pages 7-8) from a file (of pages 1-22) and my printer just won't do it. When I select to print specific pages, the printer just sits there and then the print queue is apparently dumped, as the tray icon just disappears. The printer will print only all pages of a file or nothing at all. What could be the reason for this and how do I correct it? Thanks, Patricia

Hello tdhoobyar,
Please click here to access the troubleshooting steps that should resolve the issue.
Regards,
Jabzi
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Click "Accept as Solution" if it solved your problem, so others can find it.
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Why can't I fax from My HP Officejet Pro L7780 ? ?

I recently updated to Mavericks and for some reason I can't send a fax through my "HP Officejet Pro L7780 All-in One."
I used to be able to send faxes from "Word" or other Apps
When I look at the configuration: "System Preferences" -> "Printer & Scanners" I can add the printer only but I can't add the fax.
I have checked for software updates and have found none.
Some one please help.
Thanks

This problem has been solved in OS X update to 10.9.3!!
Thank to ALL!

OfficeJet Pro L7780 - Have to Restart Print Spooler every job I print (Windows 7 32-bit)

I have an OfficeJet Pro L7780 that shows as offline in Devices and Printers constantly. I discovered if I queue up print jobs to it and then restart the print spooler all of the jobs will come out perfectly then the printer will instantly go offline. Here is what I've done for troubleshooting already:
Upgrade to newest firmware (R2011NxNxeN0)
Factory Reset by hold # and 3 at boot
Changed Ink and Print Heads
Installed newest 14.0 driver (tried both Basic and IT Pro Driver)
Rebooted and restarted printer and computer
Tried all this on a 2nd Windows 7 computer with the same results
Anyone actually use this printer on Windows 7 32-bit over the wired network port!!?!
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Same printer, same problem, same remediation by restarting Printer Spooler service. Only difference is OS is Win 7 Ultimate 64-bit.
FYI- I'm using my L7780 via a wifi connection using WPA2 security and a static IP and network RAW printing to port 9100. The printer always appears available via network pings but not to the print spooler. As such, printer is always "grayed out" and disabled but will accept jobs into its queue.
After endless searching this is what appears to be working as a fix: Turn off SNMP on printer port.
Printer Properties -> Ports Tab -> (Select Port) -> Configure Port -> uncheck "SNMP Status Enabled"
Hopefully this works for others- but I also found mention that others found a fix in toggling other settings such as "Enable bidirection printing" check box. Who knows what seemingly unrelated software triggers this issue but it began one strange day and drove me crazy.

I have a deskjet D1420 and officejet pro L7780 neither print back to front

I have a HP deskjet D1420 and a HP Officejet Pro L7780 and neither one will print the pages from the back to the front. The option to print back to front has been selected on both printers.
i.e. printing 2 pages and the last page prints first followed by the first page
Any help in resolving this issue will be greatly appreciated. Thanks

Please read this post then provide some details. What operating system?
I do not think the D1420 has an automatic duplexer, but the L7780 should be able to be configured for this. See the Vista/Windows 7 Duplex Printing Troubleshooting Guide 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
If my answer was helpful please click the "Thumbs Up" to say "Thank You"--V

OfficeJet Pro L7780 won't scan in PDF format

I have an OfficeJet Pro L7780 that HP sent me after giving up on fixing a 7310xi. I installed the software an received a "fatal error" message about error code 2203. It went ahead and installed OK - I thought. I even went to www.hp.com/support and searched for that error code. From what I gathered, it had something to do with registering it....so I didn't download their fix. After the installation finished, I went into the scan settings because I do scan quite a bit. I discovered that the PDF file option was not listed in the document scan settings. Only BMP, JPG, TIF, PNG, PCX and FPX are listed, which are, indeed, the file types that are available in the picture scan settings. It's as though the software loaded the same file types in both the document and picture scan settings.
I'm wondering now if the fatal error message actually related to this problem.
Any advice....short of uninstalling the entire package and starting over again?
Thanks....
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DexterM,
Thanks for the speedy reply.
Yes, I do have Adobe Acrobat installed on my PC (It's a new Dell with all the bells and whistles). The error message was short and sweet, as I described in my original post.
Since posting that message, I have, in fact, uninstalled and reinstalled the software on my PC - same results. The only file types available in the scan document setup are the same ones in the scan picture setup. Also, the second time I installed it, I did not get that fatal error message. Lastly, I've installed the same software on three laptops in my house (all networked) and got the same results (no PDF file option in the scan document setup).
I'm stumped and I really dread talking to Mumbai to try to resolve this.
Bill

Officejet Pro L7780 locks up when connected wirelessly

I'm trying to set up my iPad to print to an Officejet Pro L7780. Prior to beginning this effort, we were able to print to this computer through an ethernet connection no problems.
However the printer won't function once it connects wirelessly - locks up entirely. Can't get iPad, PC w/Vista, or a PC with XP to recognize the printer on the wi-fi network. And, printer button functionality is gone, including the power button. Any suggestions?

Hello gathey,
You can click the links below for two documents dealing with wireless network issues for your printer.
http://h10025.www1.hp.com/ewfrf/wc/document?docname=c01154219&tmp_task=solveCategory&cc=us&dlc=en&la...
http://h10025.www1.hp.com/ewfrf/wc/document?docname=c01893360&tmp_task=solveCategory&cc=us&dlc=en&la...
I will remind you that your printer can be hardwired to your network and the iOS device be wireless, as long as it is the same network.
If I have solved your issue, please feel free to provide kudos and make sure you mark this thread as solution provided!
Although I work for HP, my posts and replies are my own opinion and not those of HP.

HP Officejet Pro L7780 - Registration Problem

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