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Keep getting message "install toner" on HP 8500, even though I installed a new one. WHY?

I have an HP 8500 Color laserjet printer. I just tried to replaced the yellow toner, but keep getting the error message "Install Yellow Toner". I've tried taking all of the toners out and putting them back in, restarting the printer, nothing has worked. Anyone got any ideas? This is the 3rd toner cartridge I've tried, so I'm fairly sure its something wrong with the printer itself. Will have to call in someone to fix it!

Public Comments

1. It could be a couple of reasons. 1: Bad toner 2: Bad sensor 3: Used toner cartridges sometimes don't register as full 4: Other issues that aren't easily listed Easiest test is the weight check on the cartridge itself. Does it feel heavier than what you took out? If not, you got an empty one. If it does, then you have a bigger issue and might need a tech to come look at it.
2. Your toner has a bad chip - take it back.