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Ricoh Aficio SP C830DN - Printer - color - duplex - laser - Page 4 Questions & Answers
Ricoh aficio c420dn wont print black
Hi, my experience with this machine is that the gear that drives the black pcu breaks or cracks. Usually caused by the pcu being too hard to turn. I always turn the developer gear in the pcu before installing it just to loosen the toner.
Ricoh sp811dn toner cartridge is ot detected when replaced
In the back of the machine on the nozzle assembly there is a toner end sensor. It is possible it just needs blowing off clean. Excess toner spillage in that spot prevents the sensor reading correctly. However, if that do not work, it may need new sensor.
Ricoh Aficio Color Registration Error
Try checking on the two ends of the rod that supports the transfer belt,you will see the gears that rotate the belt and this gears are held into position by hooked washers it is most likely they are broken and are not hooking to the high tension spring that holds them in position,replace them and reset in the usual manner by going to the maintainance menu on the control panel of the copier.
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