Question about HP LaserJet 2840 All-In-One Printer

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MY HP 2840 SQUELS SINCE REPLACING THE IMAGING DRUM BOUGHT FROM DEAL 800

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The fastest way to troubleshoot this is to reinstall the other drum and listen if it "SQUELS".

Posted on Apr 06, 2011

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Posted on Jan 02, 2017

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MY HP LaserJet 2840 has a brand new Toner cartridge. Now it won't print at all and we are getting a "OPC at end of life" prompt. What does this mean?


Imaging drum reach 20,000 (black only) or 5,000 (color), replace the image drum.

Supplies life
The life of the imaging drum depends on the number of black-only or color pages that print jobs
require. Imaging-drum life is also affected each time the device calibrates because calibrating causes the imaging drum to rotate. Imaging-drum life is measured in terms of number of rotations rather than number of pages printed.
The type and length of print jobs also affects drum life. A series of short print jobs uses more drum
life than an equivalent number of pages printed in a single large job. To extend drum life, print
multiple copies of a print job at one time rather than sending the same job to the device multiple times.
The life of a print cartridge depends on the amount of toner that print jobs require. When printing text at 5% coverage, black print cartridges last an average of 5,000 pages and cyan, magenta, and
yellow print cartridges last an average of 2,000 pages. High-capacity cyan, magenta, and yellow print cartridges last an average of 4,000 pages. (A typical business letter has 5% coverage.)

Aug 18, 2011 | 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

HP 2840 DISPLAY ORDER DRUM


This is a message that means you have to replace the imaging drum.

Jun 30, 2010 | HP LaserJet 2840 All-In-One Printer

3 Answers

Error message replace drum for printer hp laserjet


pristonero, there is no "main" button. what are you talking about?

Oct 20, 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 2840 10.1004 SUPPLY ERROR I am getting a 10.1004 error meassage after replacing the chip on the imaging drum. Previously I was getting a "replace drum"message so I know that it was the imaging drum...


there is something wrong with your drum.. try to replace a new chip for the drum make sure that the chip is working.... if that did not work. see if there is any damage in your drum.. If not replace a new drum..

Apr 20, 2009 | HP LaserJet 2840 All-In-One 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

We have replaced new imaging drum for HP Colour Laser jet 2840 but it is still saying we need to replace it? How do we get round this problem or what are we doing wrong?


Hi Katherine,
This has to do with a chip on the Imaging Drum Unit. The chip has been "spent" or faulty. Whether it is a brand new HP Drum unit or a refurbished one, you should bring it back to your supplier.
Note that just replacing the chip on a used Drum Unit would have problems later as there is a waste bin which could be nearly fully.

Rgds
S88

Dec 04, 2008 | HP Hewlett Packard LaserJet 3000dn Printer

1 Answer

Replace Cathridge


The front panel tells you witch toner cartridge should you replace. If a supply memory error ocures then the cartridge should be replaced or exchanged with a new one. The imaging drum unit is also consumable. for "Joe 50" - there are 4 toner cartridges in the printer.

Dec 28, 2007 | HP LaserJet 2840 Printer

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