Question about HP LaserJet 2840 Printer

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Hp 2840 "Replace supplies"

Hi wiz's i have a problem with my 2840 in that even though it has new cartridges it shows "replace supplies"
my control panel shows the following
[ _ ] [ ] [ ] [ ] [ ] [ ]
only the first one has a black line at the bottom
i have taken out all the cartridges and replaced them
i think the solution is to somehow overided the printer to allow it to print until the cartridge is totally empty
to be honest i am open to any suggestion otherwise i will throw it out
please respond to jkanellos@swiftdsl.com.au

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If one of the color cartridges runs out the machine will switch to black only mode. However, I have found no way to force it to continue printing in color mode when any one of the cartridges runs out.

Posted on Dec 20, 2008

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1 Answer

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

Hi there , I have a HP 2840 Color Laser Printer that is saying "Replace Supplies " . All cartridges are showing "empty" besides yellow . I only wish to replace the black cartridge and...


There is no option like what you are expecting. But now a days all chips are avil in market simply replace the chip & cut the cost...

Sep 12, 2011 | HP LaserJet 2840 Printer

1 Answer

Orange exclamation point is blinking, screen says "replace supplies", but it says that all the time. Nothing will print or copy. It will scan the document like it's going to copy, but then just stops....


I'm a tech on that printer. That's a generic message if one cartridge is at 0%. When one toner or drum reach 0 it wont print even though you don't use that supply. The unit should show the level on the screen, if one is empty replace it.

Aug 04, 2010 | HP LaserJet 2840 Printer

1 Answer

Hp color laserjet 2840 - prints one page in color, next in black & white. Yellow ink cartridge light blinking. Says "replace supply, using black only". Yellow wasn't showing as low previously.


Follow each of these steps until the problem is resolved:

Print a printer self-test by holding the power button down with a pencil and opening and closing the top cover four times.
Check the nozzle self-test pattern in the self-test print out. If one or more of the solid rectangular areas are missing, an electrical contact problem may be present.
Remove and then reinsert the print cartridge(s) into the printer.
Print the document.
If the problem persists, follow the steps listed above for cleaning the print cartridges and print cartridge cradle.
Try printing again. If the problem continues, replace the print cartridges.

http://www.fixya.com/support/t5717191-hp_deskjet_6540_printer_yellow_light

Jun 18, 2010 | HP LaserJet 2840 Printer

1 Answer

Replaced black toner..now printer won't print any


In this case, actually it is not the Black toner that got depleted. Here the message being displayed indicate that one of the color Toner supply need to be replaced as it got depleted and currently the printer is printing in Black and white using the Black toner cartridge.

in this case, to troubleshoot these issues please try performing the following and check for the results.

* 1. Check for the level of the toner cartridges:

a) Check from the HP Toolbox application. Here are the steps to be performed from your PC:

* Access the Toolbox software.
* Select the Status tab.
* Select the Device status option.

Here you can check for the supplies status in terms of the % remaining for each toner cartridges.

b) By checking the supplies status from the printer control panel display.

On the printer display when printer is in Ready mode the supplies status can be checked from the supplies level indicator. Each toner cartridge and the Imaging drum level will be indicated by a bar which varies according to the level of the supplies present.

c) Print the supplies status page from the printer.

* On the printer control panel menu, press Menu .
* Use the (Right Arrow) button to select Reports, and then press Enter .
* Use the (Right Arrow) button to select Supplies Status, and then press Enter .

If any of the color toner cartridges and the Imaging drum have a low supply level replace them with genuine HP print cartridges.

The part numbers of the consumables are as follows:

* Black print cartridge - Q3960A
* Cyan print cartridge - Q3971A
* Magenta print cartridge - Q3973A
* Yellow print cartridge - Q3972A
* Imaging Drum - Q3964A

Sep 23, 2009 | HP LaserJet 2840 Printer

2 Answers

Replaced HP LaserJet 2840 catridges and now [?][?][?][?] ! error


The OEM cartridges have a chip on them. If the aftermarket supplies do not have the right chip, missing a chip, etc., the machine will not recognize. Placing the old cartridge back in without any toner can give off the same message.

Try rebooting the printer without a cartridge in. Then install the cartridge, either one, and see if that helps. If not, wait for the OEM to arrive.

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

1 Answer

Error show on panel replace black cartridge


The replacement cartridge is a cheap imitation, that does not have the proper equipment to keep this error from reporting.

Dec 25, 2008 | HP LaserJet 2840 All-In-One Printer

3 Answers

REPLACE SUPPLIES


Make sure all cartridge are install and secured into place...(take all the cartridge out and back in ) close front door cover and it will go into cartridge calibration...If not, press the "menu" key and with the arrow go to print quality and confirm with the enter key. Go to calibration and confirm...

Let me know....

Mar 26, 2008 | HP LaserJet 2840 Printer

1 Answer

HP 2840 is printing light even after putting in a new cartridge


no, that is not the drum, it has a chip on each toner cartridge that send information back to the printers main computer, and that tells the machine how much is remaining.

Has the cartridges been refilled ? need to know before i move unto the answer.

Jan 03, 2008 | HP LaserJet 2840 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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