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HP 2840 *(Error Message) = replace supply using black only Will only print in black All color and black toner are 75% or more full The drum was low so I replaced it just in case but error message remains.
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Cartridge faulty...
Two ways you can find out the faulty cartridge.
1. Remove each cartridge, just flip the drum shutter & chk for any toner bands appears on drum surface.. if found replace that cartridge..
2. Go to the paint. create four colored page as shown, print & verify which colored print mixed with bads.. replace that cartrdige.. ">
"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.
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.)
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.
Check online for refill instructions and where to buy the chip to replace on the drum, most of the drums today have little chips to replace that tell the printer when they are used up, even when there's still life in them.
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:
In other words, just replace the black toner. When the printer says its low, or empty, regardless of wether or not it is, just replace it.
Replacing the drum, when it says black toner needs to be replaced will do nothing to rectify the issue.
Buy only HP Toner and Drum cartridges for this printer. Do not try to refill toner cartridges, and do not reset drum. You will only end up destroying your printer in the process.
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...
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.
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