Question about HP LaserJet 2840 Printer

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Installation of Fusing Drum for LaserJet 2840 Printer

I need to install the fusing drum, but don't know how to do it. Can you please help? There is no mention of this in the handbook. Does it go on the back?

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If you are trying to replace the fuser in your HP Laserjet 2840 you need to know what you are doing. You need to have a certified technician remove your old fuser to have the new fuser put into the printer.

By not having this done correclty it could cause you further problems.

Posted on Jun 04, 2010

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How to reset supplies on HP 2840 laserjet?


"Would like report of supplies from 2840 laserjet. How to get it to show report"

Select 'Menu" button, then select "Reports", then select "Supplies Report".

This will print the status of the four toner cartridges and the drum.

It doesn't make sense to reset toner cartridges UNLESS you refill them
first. On the HP 2840 each cartridge/drum contains a chip that measures
the life of the unit.

You can purchase toner/chip combinations online cheaper than new
cartridges. I also purchase drum chips to extend the use of my drum
until print quality actually starts to deteriorate.

I use both of these methods to save money on supplies - buy toner and
toner chips, buy drum chip to get full use of drum unit.

Hope this helps.

Mar 19, 2012 | HP LaserJet 2840 Printer

1 Answer

We have an HP Color Laserjet 2840 printer in our office. We were low on our black ink drum, bought a new drum and installed it. Copies are coming out perfectly but the "replace black...


The 2840 is a slightly different sort of machine when it comes to supplies. There is a main imaging drum unit which works for all four colors, and then there of course are the 4 colors. If the unit was asking for a drum unit then you should have instaled a Q3964A. It is entirely possible that your drum unit and black cartridge both expired at the same time, in which case, you need a black toner cartridge now.

Jul 28, 2011 | HP LaserJet 2840 All-In-One Printer

1 Answer

My 2840 is saying install drum , does that mean I need a new drum or some other problem?


Well if it says need install drum, you might need buy new one. if still not solve the problem then maybe bad sensor inside the printer

Feb 11, 2011 | HP LaserJet 2840 Printer

1 Answer

How to remove drum unit from hp 2840 laser printer


Push the scanner release button(top front right side)
That opens the scanner assembly.(it lifts up)
Grab the drum handle and rotate the drum so that the handle is at the top
Lift drum straight up and out of the printer.
If you are installing a replacement, the animated directions are on the CD that came with the printer and I believe instructions come with the replacement drum.

Jan 23, 2011 | HP LaserJet 2840 All-In-One Printer

1 Answer

Installation of HP LaserJet 2840 All-In-One Laser Printer


At the following HP web page you will see the Laserjet 2820 and 2840 First Time Setup and Install Page. All the information you will need to know is right there.
http://bit.ly/cJFquP

If you found this information helpful, please give me a big thumbs-up when you rate my answer. Thank you.

Feb 03, 2010 | HP LaserJet 2840 All-In-One Printer

2 Answers

I have an HP color laserjet 2840 and just replace the drum not long ago, maybe back in the spring, and changed all the colour cartridges in the summer, now it's saying to replace the drum again, the...


The HP Color Laserjet 2840 Is a Very Good Reliable Printer. I'm curious if you are buying American made components or cheap components from some thrid world country sold at ahuge retailer. They really should stand behind their laser drums, but if they don't then shop over at www.officeinks.com or www.wowsuperdeal.com and Purchase American Made Toner Cartridges and Laser Drums. Office Inks has a 1 year satisfaction and quality guarantee and free return shipping if their ink, toner, drums, ribbons etc, don't make you happy. Only Ships USA Though.

Oct 15, 2009 | HP LaserJet 2840 All-In-One Printer

2 Answers

HP 2840 Ghost printing in the bkg?


That is called ghosting. This is typically caused by a worn or fatigued component inside the imaging drum unit called the primary charge roller (PCR). It is a small black rubber roller. If you are careful and confident you can clean this yourself, otherwise the drum unit needs replacing.

Please read in full before attempting.

!Do not touch the imaging components with your hands or allow any foreign matter (i.e. grease) to touch them either!

To clean the PCR you have you remove it from the drum. It is held in place above the actual imaging drum, just above the drum shutter. On either side you will see two screws down in the cartridge that need to be removed. Once they are out you simply retract the imaging drum shutter and remove the plastic bar above the drum. The PCR is attached to this plastic bar. I would recommend cleaning the PCR in place so as to not disrupt the conductive lubricate that should be in place. Use a lightly dampened, with ONLY steam distilled water, lint free cloth and gently wipe and grime off. Repeat with a clean section of cloth until the PCR is an even dark color. COMPLETELY DRY BEFORE RE-INSTALLATION. Installation is the opposite of removal, a magnetic tipped screwdriver will help. Good luck and email with any questions.

Oct 02, 2009 | HP LaserJet 2840 Printer

1 Answer

HP CLJ 2840 - Engine error


Hello,
It seems from the outside looking in that the drum may have frozen up the drive motor.
Remove the new drum and install the old drum and see the the error goes away.

Jul 06, 2009 | HP LaserJet 2840 Printer

1 Answer

Replacement drum for Q3964a


HP Color LaserJet 2820 and 2840 AiO Series Products - How to Replace the Imaging Drum Replace the imaging drum
  1. Push the scanner-release button to open the scanner assembly. Figure 1: Example of scanner release button location c00364331.gif
  2. Open the top cover. Figure 2: Example of top cover being opened c00364332.gif
  3. Grasp the imaging drum handle, and then rotate the drum until the handle is at the top.
    NOTE: The drum may be a snug fit. If needed, gently apply some force while rotating and removing the drum. Figure 3: Example of imaging drum rotation c00364333.gif
  4. Lift the imaging drum straight up to remove it from the device. Figure 4: Example of imaging drum removal c00364334.gif
  5. Remove the new imaging drum from its packaging.
  6. Place the imaging drum on a firm surface, and then pull the orange rings to remove the shipping pins. Figure 5: Example of shipping pin locations c00364335.gif
  7. Remove the orange shipping lock on each end of the imaging drum, and remove the two orange shipping spacers. Figure 6: Example of shipping lock and spacer locations c00364336.gif
  8. Remove the orange cover from the imaging drum. Figure 7: Example of orange cover location c00364337.gif CAUTION: Do not touch the surface of the roller or expose the roller to light for an extended period of time. Doing so could cause print-quality issues.
  9. Align the arrows on the side of the imaging drum with the arrows inside the printer. Figure 8: Example of arrow location c00364338.gif
  10. Lower the imaging drum into the printer, and then press it firmly into place. Figure 9: Example of imaging drum installation c00364339.gif
  11. Close the top cover and the scanner assembly.

Feb 27, 2009 | HP LaserJet 2840 All-In-One Printer

1 Answer

HP Laserjet 2840 Problem


change your fuser aseembly.
and try it.

Apr 01, 2008 | HP LaserJet 2840 Printer

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