Question about HP LaserJet 4000n Printer

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Printer Toner Cartridges

Is there a way to find out how much toner is left in a cartridge. I know some carts have a chip that tells how many pages have been printed - but what about remaining capacity?


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  • Gopal Ramraj May 11, 2010

    Yes there is a way to find this out. Usually this is located in the Configuration page which can be printed out from the printer. Pls lemme know the make and model of the printer, we can provide you with the instructions for it.



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If you print a status page or a configuration page, i believe it will give you some idea of the % that of toner is used or left.
go to the information menu, select it, and scroll until you get to configuration page, select it and it will print out.

Posted on Apr 17, 2009


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Installed toner cartridge samsung clx6200fx and it keeps saying install toner what is wrong

Did you get a Samsung toner cartridge or an off brand? Toner cartridges have small chips that tell the printer how much toner is left.. Not all of those chips will work correctly.

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Just replaced toner K and now says empty

You replaced the Cartridge with a OEM product or third party or a refill. if the last the electronic chip on the toner cart is still telling the machine the cartridge is old so refilling will never work replace the cart with OEM cart,

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The toner cartridges have electronic chips on them that tell the copier when they are used up since all you did was refill the cart and did nothing with the chip then copier still sees a used cart get a OEM cartridge install it correctly

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Cartridge is new and full but it says no ink?Is this is a software problem?

I will try to answer your question as best as I can since it is a little hard to diagnose a printer without physically being at the printer. Anyway, it is most likely not a software problem because from the sound of it, it is only one toner cartridge you are having problems with. I have had this type of problem before. I would try to contact the company you purchased the cartridge from. The reason why is because on a lot of these color printers have small microchips on the toner cartridges to keep track of how much toner is left in the cartridge, but these chips don't go by the physical amount of toner. I know it sounds confusing but let me explain. When the cartridge is first filled with toner, the manufacturer knows how much toner they put into it and they program the chip on the cartridge to let it know that amount, then when the cartridge is installed into a printer it tells the printer how much toner is in the cartridge and how "full" it is, then when the printer prints different jobs, it tells the chip how much toner in that color it used for that job, and the chip keeps track of how much toner should be left. Once the cartridge is "empty" the chip tells the printer that it needs to be replaced. Now, you may be wondering why have the chip on the cartridge, and not have the printer just keep track of how much should be left. Well, the main reason is because if you take the cartridge out of the printer and put it into another printer, that new printer will then have the correct amount of toner left told to it by the chip on the cartridge. This is usually done so you aren't printing off a huge number of things only to find out that halfway through the print project you ran out of a color and now have half the job that needs to be thrown away, and reprinted, wasting paper, and toner in the other colors that printed.

Anyway, I tell you this so you will understand this next part and how it could cause problems. If you purchased the toner from somewhere other than the manufacturer and got a "good deal" on the toner, you may have bought it from a place that does toner cartridge recycling, which just like the name suggests, they get used cartridges and reuse them so the cartridges don't end up in the landfills. Sometimes what happens is that after refilling the toner, the microchip either didn't get replaced, or didn't get reprogrammed to reflect that it is now full. So, I would contact the company you bought it from and let them know what is going on.

Like I said, I wanted to let you know how the printer cartridge and the printer worked so when you do talk to the company, you will probably be talking to a customer service rep which may or may not know very much about how the cartridge works with the microchip. So, knowing how it works may save you some time and aggravation when the rep says something like, "Well, it sounds like there may be something wrong with your printer, if the cartridge is full."

One other thing, if you have another cartridge in that color toner that you are having problems with, I would try that cartridge just to make sure it is only having your problem with the one cartridge, that will narrow down the problem to only one cartridge.

I hope this helps...

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When I print there are vertical lines at left side of every page. On the status page i see /3.5/(toner Coverage (%) Average)/15547.0 /4.7/(toner Coverage (%) Last page) Trued to clean the...

There must be a Cartridge or Toner leakage.
  • Lift open the part of the printer where the Cartridges or the toners reside and take out the Cartridges or Toners from the Cart/Carrier clean them with a damp cloth or tissue paper.
  • Similarly closely inspect the inner side of the cart/Carrier and clean any ink leakage with a tissue paper.
  • If an ink blot is not coming out with a dry tissue paper please soak it sparingly with a electronics cleaning solution or if it is unavailable use white vinegar and make sure that you carefully and thoroughly clean inside of the compartments where the Cartridge or Toners sit (The Cart or Carrier).

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How do i install a toner chip on my hp Cp2025

TONER CHIP on CP2025 printer:
This resource may help
Gives types of chips to use, sales in USA, and certain things to take note of.
The toner reset chip replaces the original HP ID chip and is designed to be used only on refilled HP cartridges.
It is not recommended to force toner cartridges to run on empty, as this can cause damage to both the printer and the toner cartridge.
The reset chips are dedicated to one color only, so that user can not swap toners.
As for actual physical installation, just push the new ID chip in until it clicks into place. The correctly manufactured ones should be a snug fit.
I have seen techs using a drop of contact glue behind the chip-board to secure it.
Copper pads face outwards towards matching printer pins.
See photo for polarity 'square' pad.
My printer is Samsung, not HP, so your toner cartridge may be a different shape.
samsung_cyan reset chip-4febss1ixlhhr5zh2r4k1b5y-2-0.jpg

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Buy new chips from:

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