Xerox Phaser 8200 Laser Printer "dell keeps saying wrong" Questions

...Dell training classes, and I still am called in to fix things after others get stuck. ( but i still make mistakes sometimes too... lol ). But one of the reasons I am successful is because i am like ...

...dell printer. as soon as i inserted the printehead, the message came up saying there was a problem with it. i hadn't even installed the ink cartridges yet. what is wrong? i did try to install the ...

...dell cartridge is there a way around this i know there is with the epson??? i tried that but it still says my ink cartridge isnt working?. I put in newcartridge in and power button keeps ...

...dell keeps saying restart, will not read the cartridge Probably a chip problem. Its worth taking the cartridge out (with the printer switched on), close front door, wait for 'Insert C cartridge' ...

...dell site, but when I try to run it the installation wizard always snags on a bit where it asks me to connect the printer cable. It just says that the installation can't go on until the printer is ...

Dell printer while he was there doing the other work. He could not find anything physically wrong with the first or second set of toners, but yet they would not work in my printer. He even tried going