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This is the HP Photosmart Premium e-All-in-One Printer. Model Number: C310a. Product Number: CN504A.

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Paper feed rollers have stopped feeding paper?

The printer will print fine with one page at a time manual feed. The feed rollers drop down on the paper but will not turn when it touches the paper. Have looked for answers all through HP support and have only found that HP doesn't do anything about fixing this problem. Has anybody taken one of these apart yet to see how they can be repaired? Any good ideas about how to start?

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I did the same thing and fixed my prroblem - thanks much!

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It worked !! Thanks a million... we also cut out a hole under the carriage...

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Perfect! My printer has been broken for 6 months! I was going to buy a new printer, then I found your post. It worked` thank you so much!!

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I cut a hole in the bottom and it was very easy to see the problem and access!

I used super glue and it was dry and ready to go in an hour.

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I cut a hole in the bottom and it was very easy to see the problem and access!

I used super glue and it was dry and ready to go in an hour.

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Same problem, fixed for now using 5 minute epoxy... Slid the gear to the side... Dabbed epoxy on the axis, slid it back in, let it dry overnight. Taking the printer appart is a pain though... All that for a 1 cent plastic part that is an engineering defect !

Mise à jour (15/01/2016)

Well had to redo it tonight after printing out a good number of pages...

Here are 2 pictures to illustrate how to do it without taking it apart but by using a mirror to see the gear.

Global view to see where to put the mirror and where the gear is.

Block Image

Zoom in on the mirror and you can see the gear and epoxy as it dries. You can use the gears to the left to rotate the axis and dab it homogeneously.

Block Image

With the mirror it was real quick... Now lets see if it worked again...

Regards

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perfect solution, but its so hard to see the 1 cent plastic from normal position.

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Same problem with my printer

Guess I might as well tear it apart since it doesn't work the way it is!

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My printer also has this faulty gear.

Maybe i can cut out a piece of the drawer right underneath the gear to get better access to it and fix it with some glue.

The hole will later be covered by the paper...

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Thanks for the pictures! I was able to access with a mirror, although I'll cut an access hole if it repeats. This site is very useful!

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Stood hp 310a on its side. Positioned small flat mirror angled on its edge to view gear train. Taped drop light to now top of printer looking at the mirror/gear train. One small plastic gear slid off the steel shaft 'spline' not engaging drive train. (can move the gear by hand back in line with the gear train and try once to see if it fixes problem). Then slid the gear down & off the spline. Bent small hook in a wire. Mixed some two part epoxy and carefully dabbed small amount on the shaft spline until about 100% coated. Very carefully slid the gear with fingers back on the shaft spline viewing that it was centered on the mating gear. Waited until next morning to try printer. Now works great! Hardest part was manipulating the dabbing of the epoxy on the spline due to working with mirror image. My printer had little use as I have a second one that I use for everyday printing, so, wanted to save the hp 310 as my good scanner/color/printer. Thanks much for steering me in the right direction.. Joe

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Das Problem liegt daran, dass ein kleines Zahnrad auf der Zahnstange auf die Seite gerückt ist. Wie benjaminreveille geschrieben hat, kann man das Zahnrad mit einem Spiegel lokalisieren und wieder an die richtige Stelle verschieben. Wer keinen Kosmetikspiegel zur Verfügung hat, kann sich auch mit einer CD helfen.

Block Image

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Danke für den Tipp. Da wäre ich nicht drauf gekommen. Ich habe schon lange überlegt wo ich bloß einen Kosmetikspiegel herbekomme.

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Scenario 1: the pick-up drums do not roll, you hear a grinding noise

You most likely hear a grinding noise of plastic cogwheels slipping when the printer tries to feed a sheet of paper.

It looks like there is too much play in the paper pick-up unit (at the rightmost end inside the printer) on which both pick-up drums are mounted on a single arm. When not printing, these drums are lifted. When printing, they are dropped to the top of the paper stack and will engage to separate the topmost sheet off the stack.

When lifted, you will be able to rotate these drums in one direction. When the drums touch the paper, they simply don't rotate.

I suppose that because of excess play (programmed obsolescence?) eventually the cogwheels that drive the drums will slip. Sadly this unit is hard to reach.

Probably the entire printer must be torn down, and I don't expect you will be able to easily fix the excess play on the paper pick-up mechanism that drive the rubber rolls when pressed on the stack of paper.

Scenario 2: the pick-up drums do roll, but they slip on the paper

There are image and video instructions available from HP. Here's a written summary based on my experience:

If you see the paper pick-up drums slip on the paper, then you may have better luck. Unplug the printer's power cord, detach the duplex unit at the back (push to the left and pull back to disengage the unit from the printer). You can now see 4 rubber drums on an axis. Clean these with a Q-tip moistened (not soaked) in clean water, and move from left to right. Rotate the axis upward (only possible way) to clean the next section of the 4 rubber drums. Now take another moist Q-tip and swipe the rubber-covered grooved paper pick-up drums clean in a similar fashion. This is tricky since you need to reach into the printer from the back (left). Let the water evaporate and reassemble the duplex unit. Print a test page (e.g., a blank Word document to avoid wasting ink). If the rubber pick-up drums still slip, repeat the cleansing operation.

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There is no grinding noise and have already done the HP suggestion for cleaning all the rollers.

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But I thank you for the suggestions. I may just have to bite the bullet and take the thing apart.

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You've got a weird shadow of your hair on the wall,

One might think you are an alien.

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Dec 02, 2016

I realize this is an old feed but the problem I'm having is new to me. .

I've cleaned all the rollers as directed with water and lint free cloth.

I've looked at my printer and your scenarios and have come to the conclusion that I'm having scenario 1 issue. This is great to know, but how is this fixed. Also, when looking into my printer from the front, the left rubber roller is sagging on its left. I don't see this as the problem to the picking up of paper.

My question again, how is this problem fixed?

I really don't want to buy another printer if this one can be fixed for a few dollars.

Thanks!

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I fixed mine by following this thread. If you are still trying to figure it out, I'll take a pic and show and explain what I did. I'm really busy the beginning of this week, so I don't want to spend a bunch of time if you've already got a solution, so reply and lemme know

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I have the same problem with my HP. I've torn it down to get to the entire mechanism and found that near the rear underside - the gear furthest back sitting on a thin, geared, metal rod - was cracked. This makes the gear "skip" instead of spin. I've dabbed it with super glue and it appears to be working, for now, but to tear down to this point is quite a commitment. Good luck! I'm taking pictures of how to tear this down and as soon as I figure out how, I'll write a fix it guide submission.

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please post images, I am having the same issue, Would like to use your fix.

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That was my problem as well. I used black JB weld for plastic and squeezed the crack shut with a fine pointed hemostat.

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I followed suggestion from nickbeat76 - cut a hole in the bottom of the tray - much easier to see what you are doing and get the epoxy in the right spot - no mirror necessary.

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Dremeled a hole, put on a bit of gorilla glue, just waiting til tomorrow to try. Thanks for the cutting hole part!

Thx @nickbeat76 too!

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Same problem HP7520. Cut a hole in bottom using a small solder iron (didn't want to dremmel because i was afraid of debris landing inside causing more damage) and melted a small square plastic away. Slid the wheel to one side, some superglue on the metal rod, slid the wheel in place. Done.

Works perfect again. Thanks for all the smart people!

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In my case, the plastic gear on the metal bar had slid all the way to the right (when viewed with the printer in the normal position); and was not fully riding on the "roughed up" part of the metal bar. I was able to slide the plastic gear back on the roughed up" part of the metal bar.

Printer back in business. And yes, the pics with the mirror were helpful. Thanks Benjamin.

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fixed in same way. was it worth the time and effort to get to that point ? Not sure - was at the point of getting a new printer... but for now I am happy

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Carefully examine the printer from top. Turn printer over and do it also from the bottom. Then do each side starting with the port side and then examine the west side (in this exact order) and then let stand while you take a five minute break (exactly five, no more, no less). Then very carefully remove printer to garage area of house, remove garbage can lid, and throw the son-of-a-gun in. Smile and walk away. No more problems, guaranteed'

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You forgot to mention that it is absolutely necessary to make this effort by night.

No one likes to explain to anyone why you are in the possession of this sad piece of apparatus. One might think that it was actually YOU who spend real money on it! And we won't like that for one bit? No sir! Not one bit!

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My C310 printer has stopped feeding paper as well. It is the small drive gear that is no longer in the correct position. I was able to do the same fix as the person with the mirror but without a mirror.

I was able to use a utility knife to remove a bit of the black plastic rail located just in front of the area where the gear is supposed to be located. Then you can directly see the ribbed section where the gear is to be positioned. Placed epoxy on the ribbed section, slid the gear in place, placed a small amount of epoxy on the trailing end of the gear, waited 24 hours. I was able to print my boarding passes as soon as I connected it together.

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i can’t tell you how much trouble i had to gone through & how much time i had to waste Before i fixed the issue. Let me share my experience & how i fixed it. so here we go -

  • power cycle (Turn On & Turn Off )the printer
  • Press & Hold the power key for ablest 30 Seconds
  • Take out the input Trey (Paper feed trey) and Make sure its clean & there is Foreign Object.

* use clean cotton swabs, clean water to clean the rollers

For full article Visit How to Fix Paper Jam in Hp Printer .

Hoping for you to understand & get the issue resolved.

Thanks & Gud Luck

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After a long thought a finally came up with an answer that really worked. Not a short while solution or a solution that ordered for all sorts of non-HP accessories , glued of stocked in or on this apparatus.

So this is my perfect solution to the painful problem of getting blank sheets of paper into the machine in order to make it print.

1 -Before I begin to print, I make sure that there is absolutely no paper on the paper tray.

2 -Next I put the machine on and go for a cup of coffee.

3 -By the time I finish my coffee, I know my printer is ready and able to walk to China and back to me.

(It's THAT GOOD)

4 -The moment I have decided what I want to print, I pull out one paper sheet from between my paperberg and (pre) insert it into the machine to finally push it gently down to the back.

5 -Once I click on print with my right hand, the left waits for the transport to start and manually feed the paper sheet into the machine.

Delicate, Simple, trustworthy and no effort at all.

Thought you'd wanna know.

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Yes, but to manually feed several pages...ugh. I could hand write it faster than feeding one sheet at a time through this thing. ;-)

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:D ... joke

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take off the paper tray and clean the dust .

check the roller drum and clean the printer for more visit

Guide to fix paper jam in printer

and see if this helps you

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I have a hp7500a. The exact same problem. The advantage of this printer is that there is a window built in to the bottom of the paper tray very close to the problem. A rectangular hole with rounded edges, to be exact. My gear was just off the splines on the metal shaft. An easy fix with a good flashlight and a long flat screwdriver to slide the gear up and down.

I tried the above solution, and it worked, but I want to warn you of a Murphy's Law that caught me. I had stood the printer up on one side to apply the crazy glue. I applied (unknowingly, because I couldn't see what I was doing) more than one drop, and the crazy glue ran down the shaft and glued the pivot point where the roller "landing gears" allow the rollers to drop down. I had glued plastic to plastic, which usually isn't a big deal. It actually turned out to be better glued than I thought.

But , after the fix, I didn't know that the mechanism was glued in place. So now, after trying to print, I saw the rollers moving where they didn't before the fix, but the roller landing gear stayed in place, and didn't drop down to the paper!!

After much screwing around, I finally took a drop of 3in1 oil, placed it on where the crazy glue had set on the pivot, and after some time and pushing, freed up the "landing gear" for the rollers.

Now, everything is freed up, but they still won't lower. I probably broke some other gear while it was stuck in place.

The moral of the story is: 1. flip the printer over so it's lying on it's top (I took off the cover to the flat bed first). That way if there's too much crazy glue, it won't run and glue up something else. 2. Use a tiny amount of the crazy glue. Or use an epoxy that doesn't run like crazy glue.

BTW, I decided to enlarge the "window". I used a drill bit that's used to make large circular cuts in a door for a door handle. I had used a dremel wheel, but it spins too fast and melted the plastic tray.

One more thing, the plastic used for the body of the printer dissolves in acetone. I was going to try to dissolve the crazy glue with it, but I decided to test it first on the cut out window piece. Did something right!

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This is just more evidence not to buy HP products. They jab you when one ink jet is dry, you must replace to be able to print in just blk & wht. Such greed. I'm taking my business to another well deserving company. Maybe Brothers! At least we can print if one cartridge is empty & the paper feed rollers don't go bad. HP can jamm it!!

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I looked for the pics of Benjamin drilling the bottom of this printer and to find out exactly where I have to move the cog to - find the super glue and replace. Can someone show me ? I really dont want to go a new printer. thanks kkg

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Cut a hole on the bottom of the printer (with Dremel tool). Drill a whole through paper feeder driving slipping gear and its shaft (I used Dremel and 0.70 mm drill). Then put a pin in the whole (I used a solid copper wire). That is it.

P.S.Before drilling the gear move it ( on the shaft) toward the center line of a printer. So.the gear is fully engaged with the opposite gear, but potion of the gear is free of engagement . That is where you drill the gear and shaft. So , the pin/wire wont impede with the gears rotation.

Ooops, totally forgot.Before you flip your printer to cut a whole REMOVE ink cartridges!!!!!!

Update (11/10/2017)

Block Image

Block Image

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Seems this discussion has strayed to a number of different models; it may be a somewhat universal design however and the issue probably applies to more than one. Specifically, I’m dealing with a C309A Photosmart. I’ve used this printer for lots of photo proofing/printing (as well as regular printing), and have invested more than enough time and expense installing a CIS System and calibrating color output many years ago. I’m at about 14000 pages printed. I’d purchased another one of this model (for parts only - $25), and have used it to replace a number of components.

The gear in question, the one that slips off of the spline on the shaft, is the planned obsolescence component on this printer. The gear hub (the part between shaft hole and the bottom of the gear teeth) is undersized and can’t withstand the expansion force created by the shaft spline. I’d already made the repairs discussed in the past (relocate gear on spline with adhesive). Recently the gear spit in two parts. When I pulled the “parts” printer all the way apart to get to this shaft, I realized that one has to almost entirely disassemble the printer. And upon close inspection of the gear taken out of the “parts” printer (which only had a page count of 1500), I observed this gear had a herringbone fracture at the hub, at the base of a pair of gear teeth. It was already failed, and would have begun slipping on the spline or shifting off of it had I installed this part.

I’ve done something different; it was a bit of a learning curve and took some effort. Like others, I cut a panel out of the bottom to gain access. I used the intact (but compromised) gear from the “parts” unit and made a silicone mold of it. I then cast a replacement gear using “steel epoxy”. (I did a lot of off-unit experimenting with the mold materials and the casting materials before committing to the repair on the actual printer.) It was challenging but I successfully cast a replacement gear, on the shaft in the available space next to the spline. Once the mold was removed and the epoxy still slightly under-cured, using additional epoxy to help with adhesion to the spline, I forced the new gear into its correct position.

I’m pretty confident that this is a forever repair. Many of those having done the glue and relocate will eventually be seeing two gear halves laying in their paper feed tray, I regret. But it can be fixed permanently.

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Excellent! Could you provide some photos, videos, please?

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sir, thank you, will you please describe about the functions and setting of the sensor wheel, encoder and decoder timing setting of an hp desk jet 3 in 1 printer

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Check for a cracked or out of place plastic drive gear .

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I had the same problem and solved it thanks to you guys:

I drilled a hole in the bottom and made it a bigger opening, to gain access to the cog wheels. I used the mirror pictures of benjaminreveille to know where.

The left cog had slid to the left on the metal axis. I moved it back on the rough part of the axis, but that didn't help. I slid it back aside, put superglue on the rough part and slid the cog back in place. Let it dry overnight.

And voilà! Printer as good as new!

Thank you so much all of you!

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I tried absolutely everything before I found paper from a previous jam wedged into the print cartridge parking place. Odd that the symptom manifested itself as a paper feed problem, but after cleaning up that mess and running the print head cleaning process, my printer is saved from the fate advised by Jackie Durham above, which cracked me up by the way.

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Have played with this printer all day. I see where the gear is sliding off center but sliding it back manually does not solve the issue. I am now going to consider whether going through the process described above is worth the $100 for a new printer/scanner. Right now I am tempted to throw it onto the ground.

The HP C310a is another printer that was made using the planned obsolescence strategy inherent in printer manufacturing. I will buy a Canon as revenge, likely, and wait until it too has a premature death...

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All forums discussing gluing broken nylon gears insist that there are no glues available that will hold these parts together for long ... I tore apart a HP 6700 printer with the exact same issue (the drive gear split due to someone feeding heavy card stock) ... dismantling these printers is not a task for the faint of heart ... well over a hand full of screws and parts before I could actually remove the axle with the gear ... aliexpress.com appear to carry this gear but only sell them in lots of 10 or more ... at less then US$1 each it might be worth a try to pick up a package ... further because there is room on the shaft I may install 2 gears side by side so if a gear breaks again I can just cut the broken one off and slide another one in to place using the hole mentioned above. On a side note: a number of these HP printers have built in printer heads which is apparently another weak link with high failure rates ... I connected up the scanner portion of this all in one but the scanner will NOT function unless ALL the printer parts are working including the heads ... most people suggest only purchasing models that have heads built in to the ink cartridges ... attempting to fix a printer with permanent heads may not be worthwhile especially when these printers seem to go on sale for less then $100 ... also pricing for ink vs toner printers, the ink printers are still around 1/3 the cost

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Hello!

My HP 6510 printer prints and then pulls out all the sheets in the tray one at a time. What can be done ?

Thanks

Luc

Update (12/13/2017)

Excuse me, though! I think we're talking about different printers! Mine is HP 6510 ! this photo

Block Image

*:-?

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Hi !

Excuse me, cant open the back cover ? must cut ? thanks

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It is the easiest way to reach the area by cutting with a Dremel saw the printer's bottom. Look at my pictures above and figure out the size of the cut, Stand your printer vertically to avoid cutting chips inside of the printer

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Thanks :) thanks

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Just a quick note, heating up a utility knife blade with a torch cuts the hole very clean and quick. Still can't find my problem. All gears turn when turning roller with my finger but not when trying to print.

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To badyellowvette

If you already made a hole on the bottom of the printer, then put a printer on some stand offs. So, you will be able to see when your printer is trying "really" printing.Sometimes a "paper driving" gear starts fine and then disengages itself by sliding left or right. Otherwise, go to the "first" driving gear ( which starts moving the whole feeding assembly) to the next gear etc. to figure out where the feeding torque stops.

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I just performed a repair on my own HP psc 1350 All-in-One Printer...

The paper was not being picked up by the rollers. After trying all of HP's standard troubleshooting tips (without resolution) I decided to unscrew/open up the top of the unit and have a look around.

I was able to see that one of the main rollers (pretty much straight through the center of the mechanics) was not turning properly.

The plastic gear on the end was being turned by a smaller adjacent gear (so that looked right) However, the rod and rollers that this larger gear was attached to (on the end of the roller in question) Was NOT turning. with my flashlight and a pair of reading glasses I was able to see a hairline fracture on the shaft of the plastic gear along with what appears to be some dried up glue. The rod/rollers in question are pretty embedded in the center of the unit so further dismantling seemed a daunting task...

Instead, I was able to flex the outer shell of the unit just enough to pull the little plastic (white) end cap and the large gear itself (black) of of the end of the rod. Then used a toothpick to clean up and apply gorilla glue. then carefully reassembled the gear and cap to the rod. It wasnt easy! but I got it to work..

Be Aware that the large black gear has a clear thin plastic dial that sits down in a slot alongside the end of the rod (One person has posted a picture here that shows the same type of clear plastic circle/gear... look for it in your machine before you try to take it apart, so you know how it goes back). Getting that in the slot was tricky so I ended up assembling the gear first then carefully cutting a slit in the plastic piece with scissors (one easy quick snip, like the first and only cut into a pie) Then I was able to easily turn the gear and slide the plastic shim into its proper slot). That was it.

like I said, it was not easy (especially getting the gear on and off without breaking any parts), but I got it to work and now don't have to take it to a shop Or buy a new unit. Woot!

Good Luck!

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Nice description, will try.

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i’ve had my printer several years. the fixes suggested are so much time and trouble, i’d rather buy a new (and possibly better) printer than the hp (terrible customer service) i have. prices are now reasonable on many printers by well-known and reliable manufacturers and maybe if there is a problem, another manufacturer will afford better service.

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