HP2840 crashed which prints blank pages without error message? HP Color LaserJet Printer Troubleshooting

And if they were repairing rather than throwing and change? Rediscover the pleasure of the repairs yourself. How to diagnose a problem or find spare parts? Repair itself is way to save money generally!
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Re: HP2840 crashed which prints blank pages without error message? HP Color LaserJet Printer Troubleshooting




by Christophe » 28/12/21, 19:59

GuyGadeboisLeRetour wrote:Well listen, so much the better, it could also not have worked, in fact we had the luck: The "failure" was referenced and the tutorials existed.


So we say thank you WHO (also)?
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Re: HP2840 crashed which prints blank pages without error message? HP Color LaserJet Printer Troubleshooting




by GuyGadeboisTheBack » 28/12/21, 20:00

Christophe wrote:
GuyGadeboisLeRetour wrote:Well listen, so much the better, it could also not have worked, in fact we had the luck: The "failure" was referenced and the tutorials existed.


So we say thank you WHO (also)?

So there, I dry! Attali? : Oops:
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Re: HP2840 crashed which prints blank pages without error message? HP Color LaserJet Printer Troubleshooting




by Christophe » 28/12/21, 20:05

Me kilekon !! : Mrgreen: : Mrgreen: : Mrgreen:

Nah we say thank you FOFO !! Fofo like FOFO RUHM!
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Re: HP2840 crashed which prints blank pages without error message? HP Color LaserJet Printer Troubleshooting




by GuyGadeboisTheBack » 28/12/21, 20:57

AH OKAYYYYYY ... Thanks FOFO.
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Re: HP2840 crashed which prints blank pages without error message? HP Color LaserJet Printer Troubleshooting




by Christophe » 30/12/21, 15:44

Ayé, I was finally able to receive my Christmas present:

gift.jpg
gift.jpg (167.76 KiB) Viewed 2756 times
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Re: HP2840 crashed which prints blank pages without error message? HP Color LaserJet Printer Troubleshooting




by Christophe » 08/03/23, 13:14

After 2 or 3 hundreds of printing, the failure returned : Cry: and this time the alignment is good...that's another funny thing...

I row and it's paddle!

Damn Guy is no longer there to help me...

I found a possible problem with the solenoid (if there are 2, one for black, one for color this could explain my case, I print 99% of the time in B&W):

An HP LaserJet 2840 printer returned to the workshop: it only printed in B&W. As soon as there was color to print, the page came out all white.
After a major disassembly of the mechanics, the culprit was found: the solenoid which did not respond quickly enough because of a shoe that had become sticky. the carousel (which supports all the cartridges) did not stop in time and therefore the color could not land on the sheet.
After replacing the pad, the printer re-prints in color again.


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Re: HP2840 crashed which prints blank pages without error message? HP Color LaserJet Printer Troubleshooting




by Obamot » 08/03/23, 13:23

It's not just a color laser printer, it's an "All-in-One". The problem with some HP color lasers is that they still use the color cartridges when you print in B/W

So I bought a B/W for 50€ on the good-corner...(Laser jet 4000 series) with few prints on the counter... The advantage, it is PostScript.
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Re: HP2840 crashed which prints blank pages without error message? HP Color LaserJet Printer Troubleshooting




by Christophe » 08/03/23, 13:49

Yes but there I have nothing coming out... except some yellow traces 1 time out of 5 during the tests...

I'm not ready to take it apart to look for the solenoid...I think it's time to change... : Cry: I'm going to do some more research but a priori apart from the misalignment and the solenoid, there are no great leads...

She's turning 17 and I've spent way too much time getting worked up about her. The drum is perfectly aligned, this solved the problem the last time so there is a problem elsewhere... :| :|

A firmware update maybe? But I don't believe it...

https://support.hp.com/fr-fr/drivers/se ... del/445197
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Re: HP2840 crashed which prints blank pages without error message? HP Color LaserJet Printer Troubleshooting




by Obamot » 08/03/23, 18:09

If you want to "finish" your toner cartridges, find a second-hand compatible printer. Your cartridges go in these models: HP 1500/ 2500/ 2550/ 2820/ and of course HP 2840.

But since it's Canon engines inside, on Canons too. And it extends the list of compatible printers:

CANON I-SENSYS MF 8180C
CANON LBP2410
CANON LBP5200
CANON MF-8180C
HP COLOR LASERJET 1500
HP COLOR LASERJET 1500L
HP COLOR LASERJET 1500LXI
HP COLOR LASERJET 2500
HP COLOR LASERJET 2500L
HP COLOR LASERJET 2500LSE
HP COLOR LASERJET 2500N
HP COLOR LASERJET 2500TN
HP COLOR LASERJET 2550
HP COLOR LASERJET 2550L
HP COLOR LASERJET 2550LN
HP COLOR LASERJET 2550N
HP COLOR LASERJET 2800
HP COLOR LASERJET 2820
HP COLOR LASERJET 2820 ALL IN ONE
HP COLOR LASERJET 2820 MFP
HP COLOR LASERJET 2820DTN ALL IN ONE
HP COLOR LASERJET 2820N ALL IN ONE
HP COLOR LASERJET 2830
HP COLOR LASERJET 2840
HP COLOR LASERJET 2840 ALL IN ONE
HP COLOR LASERJET 2840 MFP
HP COLOR LASERJET 2840DTN ALL IN ONE
HP COLOR LASERJET 2840N ALL IN ONE

These types of toner would be guaranteed "for life"
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Re: HP2840 crashed which prints blank pages without error message? HP Color LaserJet Printer Troubleshooting




by Obamot » 08/03/23, 18:26

HP / Canon is the ball ...

Personally, I had an HP 2650N/t with native PS emulation (not "all in one") but it had amazing "photo" quality — with realistic colors comparable to inkjet which already held up very well, so much so that I used it for contract proofing — in other words "copyproofs"...at a production cost 10x to 20x cheaper than inkjet (it was before the "ink -tank" Epson etc...)
https://www.office-supplies24.at/Hewlet ... 89587.html

So a secondhand with few prints on the counter, must be worth it... On lbc between 80€ and 150€ maybe... HP 2840 I looked for, I didn't see any. But the compatible models I have not looked at

The only trouble I had was with the A3 B/W laserjet 4v, but after a long time.
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