We ran into this problem a lot when this series first came out. There is a simple sensor on the left hand side of the toner cartridge area inside the printer that physically detects that a toner is installed (or not). With the left cover off, there is a plastic bracket that holds a lever; unless it is not, then it tells you that you have no toner installed. Lame.
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hello for all my dear the problem in hp lj 2055 install black cartridge error massege here the solve iam engineer in hp service center and i meet that problem in my daily work the problem in dc control must t replaced sure 100%
The message that persists in saying to "replace black cartridge" could be due to a defective cartridge chip. The chip maintains counts and tells the printer when a new cartridge is installed. If you cartridge is remanufactured, they may have neglected to install a new chip.
Regarding the new fuser not working, I'll have to get back to you on that.
common problem on the hp lj 3800, you'll notice if you shine a torch in the area where you found the broken pieces of plastic, there will be some more, it is this which is stopping the toner cartridge from sitting properly in the printer. Don't worry about the broken plastic the printer will still work ok.
It sounds like you are having two diffrent problems. I don't think they are associated with each other.
First, the memory supply error. The cartridges on this machine have a chip. The chip could very well be faulty causing this supply error message. Change the black cartridge and see if the message clears. if it dosen't then the antena that reads that chip needs to be replaced. I suspect the cartridge is the problem.
Second, the paper jams. This can be caused by a worn p/u roller as you mentioned. Sounds like the jam happens first then the error, based on your description.
The black thing you refer to on the door is called the "transfer belt assembly".
Most likely you received this message after a toner was replaced. Reseat the cartridge and restart the printer. If that doesn't work remove all of the toner cartridges manually and reinstall.
Turn off the printer and open the top cover. Follow the toner cartridge all the way to the right side of the printer (on the white part). You should see a hole that looks like a cross. Take a pen or key and push down on the black button in that hole. While you are holding it down rotate the toner cartridge towards you. You want to get the colored roller on the cartridge about 1/2in away from the metal bar that says "consumable reorder". You should be in a position to take out the toner. Let go of the hole and remove the cartridge. Repeat the steps until all of the cartridges have been removed.
Turn the printer back on at this point. You are going to get toner not installed messages on the printer. Open the top cover and the cyan tray will be in place. Shake the toner and install. Close the cover and let it cycle to the next color (black). Repeat the process until all cartridges are installed.
If you are still getting the error you either have a bad cartridge or the carousel that the toners sit in is damaged.
HI there have you tried the toner cartridge as this could also cause this problem? Also change the transfer roller and are the bands going from left to right or from up to down. If the bands are left to right change both if up to down more likely to be the toner cartridge.