HP Officejet Pro L7780 - Document feeder not grabbing pages. The feeder is not feeding pages through

I have an Officejet L7780 that is not feeding through the document feeder. It gets stuck with the first page, and tries to roll in the page but it gets stuck with it. I've not been able to make it feed through, but I can grab a portion of the page that is stuck and pull out ok. Looks like the rollers are not working well anymore. Is this something that can be corrected/fixed/replaced?
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Hello,
Make sure you are using supported media (weight/type). If you use your ADF frequently, you may have some buildup on the pickup rollers. I've included a link below that describes how to clean those and how to check to ensure that there are no paper pieces stuck under the ADF hood that would prevent them from pulling correctly. Good Luck!
http://h10025.www1.hp.com/ewfrf/wc/document?docname=c02019585&cc=us&lc=en&dlc=en&product=2512010&tmp...
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I have a deskjet D1420 and officejet pro L7780 neither print back to front

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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
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Let's start here.
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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.
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I worked for HP but now I'm retired!

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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."
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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.
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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.
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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).
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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!

OfficeJet Pro L7780 won't scan in PDF format

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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

I have a HP Officejet Pro L7780. Recently it won't allow me to print from websites,

I have a HP Officejet Pro L7780. Recently it won't allow me to print from websites, The only way I can print is to 'copy' it to a word document then print. ANy suggestions as this has only recently been an issue.

Trying running the Print Diagnostic Utility and see if it finds any errors http://http://h10025.www1.hp.com/ewfrf/wc/softwareDownloadIndex?softwareitem=mp-91799-1&lc=en&dlc=en... . If that does not fix the issue try uninstalling the software and reinstalling it.
Although I am an HP employee, I am speaking for myself and not for HP.

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I have an Officejet Pro L7780 All-in-One. Recently it does not work due to a printhead error (M/C printhead missing or damaged). Please help. Many thanks.
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Hi,
Use the following link to perform the troubleshooting steps.
http://h10025.www1.hp.com/ewfrf/wc/document?docname=c01446637&cc=us&lc=en&dlc=en&product=2512010&tmp...
If you still recieve the error message after performing the troubleshooting steps mentioned in the document, then try the printhead cleaning from the printer menu.
Setup Menu--Tools--Clean Printhead
Setup Menu--Tools--Align Printer.
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Unplug the power chord from the back of the printer while the printer is still ON.
Now press and hold "# & 9" keys on the printer, and connect the power chord while holding down the 2 keys. Wait for approx. 10 seconds and then release the keys.
If the printer powers off automatically, then wait for 10secs. and then turn ON the printer using the Power button on the printer.
Hope this helps.
Although I am an HP employee, I am speaking for myself and not for HP.

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.

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,
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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 8600 Plus e-All-in-One Printer - N911g can not define a custom size paper.

HP Officejet Pro 8600 Plus e-All-in-One Printer - N911g can not define a custom size paper. I would like to have a custom size to work with a card making program.

Can you help me out?
I have an HP Officejet Pro 8600 N911a
When I try to print to a custom print size (2.75" x 6" in my case), I get the same error everyone else is reporting: "Paper detected does not match paper size or type selected. Make sure the paper size or type is correct to continue the job."
I am currently trying to print using Microsoft Word for Mac 2011 version 14.4.5, but I have the same problem with printing from Adobe Reader 9.8.5 or Preview 8.0.
I am running OS X Yosemite 10.10.
My printer's firmware is "up to date" as of 28-Aug-2014.
This is what I did:
1. Open System Preferences from the Apple menu.
2. Click on the Printers & Scanners icon.
3. Click on the + sign under the list of printers to add a printer
4. Click on IP
5. Enter my IP address in the Address field (verified as "valid and complete host name or address")
6. Ignore Protocol field (default is Line Printer Daemon - LPD)
7. Ignore Queue field (default is blank for default queue)
8. Ignore Name field (default is IP address)
9. Ignore Location field (default is blank)
10. Under the Use dropdown menu, I select "Select Software"
11. HP Deskjet 9800 is not an option.
I searched for 9800, but there is no HP printer with that number in the options.
I tried selecting "HP DeskJet 980C - Gutenprint v5.2.3" to see if that would work, but I received the same error message as above. I tried selecting other random HP printers, but so far I've had no luck.
I've been googling about for a way to manually add a printer driver to this "Select Software" list, but I've found nothing (apparently, no one else wants to do this). I did not find a driver download for the HP DeskJet 9800 for OS X Yosemite 10.10 on the Drivers & Software section of the hp.com website.
Additional details on settings for Microsoft Word for Mac 2011 version 14.4.5:
Selected File > Page Setup from menu
Under the Paper Size drop down menu, I selected manage custom size.
- Click + to add a paper size
- Enter "2.75" in width and "6 in" height in the paper size fields.
- Enter "0 in" as the User Defined Non-Printable Area for top, left, right and bottom.
- Double-clicked Untiled in the custom size list and rename the size as Receipt
- Click OK to return to the Page Setup dialog box
Under Settings: Page Attributes:
- Format for "HP Officejet Pro 8600"
- Paper size: Receipt
- Orientation: "tall/portrait"
- Scale: 100%
- Click OK
Select Format > Document and set all page margins to 0.25"
Thank you.

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!
This question was solved.
View Solution.

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.

On a HP Officejet Pro L7780 All-in-One printer, is there a toner and where is it?

On a HP Officejet Pro L7780 All-in-One printer, is there a toner and where is it located? I've looked in Products and Supplies and don't see it but my printer is saying that it's low or empty.

By now, you have probably discovered that the L7780 does not use a toner but cartridges. It actually uses 4 HP 88's. They are black, magenta, yellow and cyan. Usually, black is the first to be replaced. They can be found at Staples, Office Depot and Best Buy.

HP Officejet Pro L7780 All-In-One printer

I am running Windows 8.1
The printer status OFFLINE.
It has done this in the past and I have been able to correct it by deleting and reinstalling it (at least back when I was running Windows XP and 7. Possibly at that time it was the DHCP issue pointed out in a previous post.
Now however, I can remove it and when I add it back, using Control Panel, Devices and Printers, Add a Printer, it is recognized correctly on the network (shows the IP address I know is in the printer) but when I try to send a test page, I get a pop-up saying it is OFFLINE. When I status it, it confirms it is offline.
There is no indication at the printers display that it is offline and it shows it is communicating with the network.

I can’t give you more than the info in my question about the model of the printer-HP Officejet Pro L7780 All-in-One printer
I had been using this printer for several years and this has happened a few times in that it required me to delete it and reinstall—that just does not work now. This last time was after I had upgraded to Windows 8.1 however I did that several weeks ago and it has worked okay since then…this is the first time it has stopped working on 8.1 however
Running Windows 8.1
I tried connecting via wireless and also switched over to wired lan but got same results (Printer Unavailable)
Used DHCP but get the same with static ip address
Cisco Lynksys E4200 wireless router
Just ultimately get Printer Unavailable when I try to print or status the printer
When I try wireless, I see the wireless icon bright blue like I expect it to

HP Officejet Pro L7780 - Document feeder not grabbing pages. The feeder is not feeding pages through

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