asked Jun 29, 2010 at 9:06am
Hp HP Color LaserJet 2840

HP2840 toner carousel jammed

I should have known better but I bought a non-HP toner cartridge for my HP Laserjet2840 which has performed faultlessly for a number of years.

After installing it the machine started to initialise then came to a halt with the message "Incorrect Yellow" showing in the display.

I cannot get the machine to index around to let me remove any of the cartridges as it seems to be stuck between the yellow & magenta positions.

How do I manually rotate the carousel to get it to the position where I can remove the toner cartridges?

Assuming this is possible!

If there is one message I could get out there it is to never use remanufactured or compatible cartridges in any colour laser printers.

That does not help you though, Jock.

You need to get to the solenoid on the right side of the carousel. Not an easy job and does entail a certain amount of dismantling. You can find a manual here; http://www.feedroller.com/Store/hp_manuals.php, if you feel up to the task.

Unfortunately, there is no secret little button to release the carousel that I have found yet.
by unknown on Jun 29, 2010 at 12:01pm Add comment
Hello printermedic and thanks for your swift reply!

I certainly feel up to the job...and willing to give it a go!

I used to work as a maintenance electrician many years ago and still have the tools...and hopefully the skills...although the hands are a little more shaky than they were...but that could be down to my enjoyment of decent vino these days!

I'll give it a go and hopefully you won't mind if I come back with another question if I get stuck?


by JimmyTheJock on Jun 30, 2010 at 3:54am Add comment
oops, i must have missed this thread yesterday somehow.

actually there's an easy trick to release the clutch. at the top right hand corner where the clutch is, there's a white plastic funnel looking block with a hole in the middle. (there's an article somewhere in the internet but i don't seems to be able to locate it at the moment). all you have to do is straighten a big paper clip and stick it into that hole to release the carousel.
by tk55 on Jun 30, 2010 at 3:55pm Add comment

I just bought everything new, several hundred dollars for toner plus imaging drum and it jammed up. I thought I was about to throw that all away and buy a new printer.

But I pushed a long thin Alan wrench into the white plastic funnel. It needed more than a paper clip to push hard enough. I was able to rotate the carousel, take out all the toner cartridges, start from scratch. BINGO everything is working!

In my expereince HP support would never have given this advice.

-- Julian - JulianNott
Ooohhh...thanks for that tk55...sounds interesting!

I've had a look...is the white plastic block you refer to the one immediately under the hinge of the cover which you lift to view the cartridges, etc?

Sorry to sound a bit stupid...but I don't want to poke around in the wrong place inside...for obvious reasons!


by JimmyTheJock on Jul 1, 2010 at 3:49am Add comment
yes, correct, you've found it. it's directly under the right hinge.

first of all, you're supposed to put the pin in with the power turn off :)

to make it easier to insert, just straighten one side of the paper clip (use a large paper clip)so you still have a loop left for easier handling. you can also use a small screwdrive or any piece of wire if it's small enough to fit through that hole.

edit: it needs to be long enough to get to the end of that hole where it pushes against the metal plate that releases the solenoid/clutch.
by tk55 on Jul 1, 2010 at 3:35pm Add comment
Fantastic! I'll try it later when I've got someone to shine a light onto the inside of the machine so I can see clearly what I'm doing.

Will report back on success :) or otherwise :(


JtheJ - JimmyTheJock
It's a big SUCCESS...!!!

Now all I need to do...hopefully...is purchase a HP Cartridge...not a re-manufactured one...and with a bit of luck and a fair wind my machine will soon be back in full working order.

I will report back but meantime thanks to both tk55 and to printermedic for the advice...it's great to know there are people out there willing to freely offer such useful advice and assistance.

The HP2840 service manual has been saved to my hard-drive in case I ever need to refer to that in future.



by JimmyTheJock on Jul 2, 2010 at 12:28am Add comment
no worries, mate. my bill for A$100 is on it's way to you....hehe....just kidding.
by tk55 on Jul 2, 2010 at 6:07am Add comment
Replacement GENUINE HP cartridge fitted and all is now well.

I swear I will NEVER purchase other than genuine replacement ink or toner for any of my printers ever again...it's just not worth it.

The only time I bought some 3rd-party ink for the HP 990cxi the colour reproduction was so poor I took them out and threw them away...why I bought the 3rd-party toner for the laser I will never know...but it's sorted now.

Thanks for the advice folks!

by JimmyTheJock on Jul 6, 2010 at 5:41am Add comment
tk55 - You're fantastic! I've been trying for weeks to find this "hole," and with the information you provided, found it very quickly.

Actually, I used one of those long metal meat pokers (don't know what you call it)and it worked better than a paperclip, because I had to push it pretty hard to release it, and the paperclip didn't work.

For those still trying to find the hole. When you see the white plastic funnel looking block, look down a little, and then you will see the magic hole.

Thank you, thank you, thank you! Now I'll buy an HP Yellow cartridge and be back in service!
by unknown on Aug 22, 2010 at 2:18pm Add comment
Delighted you were able to free yours as well...!!!

Do you actually need a Yellow cartridge?

From what I can gather this is an error message that does not necessarily bear a 100\% relationship to the actual problem.

I only had to clear the jam...although I did then fit a genuine HP Black cartridge which was the one I had replaced with an 'equivalent' when this problem first raised its ugly head.

- JimmyTheJock
Someone posted a Youtube video link (on another thread) He came up with the brilliant idea of using the thin tube from an air can. http://www.youtube.com/watch?feature=player_detailpage&v=ORIwO7O4cJ0
HP support would sell you another printer.
by moe on Feb 17, 2012 at 4:38pm Add comment
I did what tk55 suggested and it worked great. But I was using HP ink though.
by unknown on Mar 30, 2012 at 11:58am Add comment