Ricoh 2045 Doesn't recognize new toner cartridge

Please check the Toner supply unit.
If necessary dismantle it carefully and clean all the toner inside it and clean all the small parts. There must be 2 small mylars attached inside to the cover toner supply unit - If not there that's the problem.
Check also for broken parts.
Try replacing the whole toner supply unit.

Good luck and please rate me, thanks.

This is probably one of two things, first it could be is that the stopper out of the old bottle has got stuck inside the Toner hopper and preventing the hopper from getting toner from the new bottle.

This would be caused by the second problem that is the hopper is more than likely clogged up and the jaws that grab the toner bottle cap cannot open, you can either clean the hopper out, it can be dismantled by removing the silver pin on the green handle, but do be care full as when this pin is removed you will fire the internals out accross the room, so have your hand in front to cach them, then just clean it out reassemble and you should be fine.

Just remember always try the simple fix with copiers, so many engineers look way to far into problems whenit's staring them in the face, i am a Technical Specialist with Ricoh Masters and find a lot of basic faults are overlooked

It can be damaged the motor of feeding of toner, also can be damaged the roller paddle or gears of this roller. Change...