Question about HP Officejet Pro L7680 All-In-One Printer

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HP Officejet L7680: I had a genuine paper jam and pulled the paper out the front. The paper was completely intact, no missing pieces. Now every time I try to print a page the paper jams and the screen says to load paper. When it jams it makes a very loud noise like gears grinding or a loud clicking noise. I have taken off the duplexer, looked with a flashlight in every nook and cranny and I don't see any paper jammed. From the back with the duplexer off, I have manually turned the gears I can reach and all seem to move freely. I have twice "reset" the printer in the hopes it would "forget why it's mad at me" without success. Any ideas?

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  • krisbroyles Nov 17, 2010

    This didn't work. It seems to be a hardware issue. Please advise.

  • krisbroyles Nov 18, 2010

    I did as advised and uninstalled/reinstalled the software. It doesn't seem to be a software issue as it won't copy or do a self test page without jamming.

  • Mzee Moses
    Mzee Moses Feb 03, 2015

    Please I too had this fake paper jam and after servicing the printer the jam was not cleared how ever this small magic worked for me " Uninstalled all the printer drivers, cleaned the registry, cleared the cache memory, re-started the computer and thereafter installed the drivers again" It worked so fine, Hope this helps someone out there

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This problem "fake paper jam" is very common with this model and other several similar series, but in most cases, it's not fake, but actual paper jam which we are unable to notice it/them easily. I don't mean a large normal size paper, but broken/pieces of paper. I recommend Vacuum Cleaner or Blower trick. Uninstall cartridges {if you know how to uninstall the print head, that'd be of greater help}, Remove Papers from tray/s, Pull out the front tray {not necessary since you've already taken off the duplexer}, open the front cartridge access door, open the rear access door and lift up the scanning unit (upper unit with the ADF), Turn Off the printer, now take a Blower and give a hard blow from the front, and then from the rear, do this several times (if you are using Vacuum cleaner, use it on both front and rear). Now turn on the printer while you still working with the Blower blowing through the compartment (this will help exposing the jammed/stuck paper, if something is stuck on the gears or rollers..), again do the same from the rear and continue several times to make sure everything's clear.

Reinstall and reconnect all the components and Turn back On the machine, hopefully if you've done it thoroughly, the error message shouldn't be there anymore.

Here's another from the Hp Forum, but I myself have tried once, but if it's actual paper jam, this wont help. If in case there's mechanical issue, this will definitely help you..
Tools: (2) Medium sized paper clips
Preferable Tools: (1) Pair of pliers with rubber grips
(2) Edged tool such as wall paper knife, metal pick or toothpick to clean out gear teeth.

This fix applies to paper jams the device believes are in the rear duplexer and often occurs after a real jam that has shredded the paper inside the mechanism.
Despite the fact you've carefully cleaned out all the visible paper from inside with the cover open, paper can jam the gears used to drive the rear rollers and even the tiniest amount of shred prevents operation resulting in the impossible Paper Jam error.
HP Tech Support online and on the phone don't troubleshoot it past "clear the paper from the device than try again please" b.s.
After removing the duplexer, grip any of the four rubber rollers and attempt to rotate in either direction, if they don't move freely with little effort, then continue with these instructions.
Begin:
1. Take the first paper clip and contact the lower two brass rectangles, this fools the device into believing the duplexer is installed, keep the contacts bridged (don't remove your hand or the paper clip until Step 4.) There's no electrocution risk. 2. Press the "OK" button on the control panel to pretend the paper jam is cleared. 3. Carefully observe the pair of white gears on the left, if they seem to clutch, stall, skip or freeze then you have paper shards which are causing the jam. 4. Using a firmer grip or pliers, grip the furthest left rubber roller and rotate in either direction , the gears should rotate with your efforts and look for shards of paper in the gear teeth. 5. Use the paper clip, toothpick or any appropriate edged tool to clear the shards.
Bridge the lower contacts again and observe if the gears rotate freely, if so then you've cleared the insidious jam should be able to print until the next error from this piece of chit printer.

All the best.

Thanks for using FixYa.

Posted on Nov 18, 2010

  • nirmal
    nirmal Feb 26, 2014

    Thnak you fixya. It really worked. very good tip

  • Christopher Keene
    Christopher Keene Jun 25, 2018

    where are these brass contacts? - my problem is with a n HP C6380

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Try reinstalling it following the link below to first uninstall, reboot and then reinstall the drivers for the device.
http://www.fixya.com/support/r3559995-installing_devices_on_pcs_and_laptops

Posted on Nov 16, 2010

  • nirmal
    nirmal Feb 26, 2014

    Thanks fixya. it really worked . good tip

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Hp office jet l7680, paper jam, however no visible paper remaining, jam indicator still flashing.


If the printer shows ready and after you send the print or copy job it gives you paper jam, then the problem is with the pickup roller.

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Please follow these steps:
•1 Turn the printer off and on to see if it can automatically clear some or all of the jam. Many printers provide an error-code listing on the front panel display for the area where the jam occurred. If your printer shows an error code, be sure and check the printer manual to see if that identifies the area of the printer where the jam occurred.
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Turn off the printer.
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Remove any paper trays. Inspect them for wrinkled or damaged paper.
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If necessary, remove the toner or ink cartridge. Place it in a bag or away from light to avoid damaging it.
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If you find a piece of jammed paper, remove it by holding it with both hands and pulling firmly (see A). The goal is to keep the paper from tearing. If several pieces are jammed together, try pulling out the middle piece first to loosen the jam.
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