Question about OKI C5100n Laser Printer
About the croaking noise:
The drum unit, underneat the toner cartridge, at the left side (seeing the machine from the front) has a kind of a pump device, made with an internal small belt (you can't disassembly it), its function is to move the old used toner, that exit the cartridge from the left hole, into the springed plunger, the toner moves into that chamber and is pumped back into the cartridge. In time that chamber receives so much old toner that the small transporter belt inside can't move anymore, it makes a very high load to the pulleys and they jump tooth, so the noise. You may want to disassembly the drum unit, (as reference the yellow p/n is 42126601), and get isolated just that chamber, there is only one small plastic geat that moves the pump inside. The gear must rotate somehow free, if not, try to such old toner using a vacuum cleaner, but you will need to keep rotating the gear by hand to pull out all the bad toner. It may exit from the bottom hole or from the spring loaded plunger on top (when pulling the spring). If you are lucky you may have it working back again, if not, prepare your dollars bills to replace the unit. The croaking you are listening may be cause by this or it may be a wrong drum unit you installed into the machine. Check the gears between the old and new units. Good luck. Wagner.
Posted on Jan 14, 2008
Doesn't like new carts, non gen OKI or import.replace with correct type. 543 is black error, so looks like C,M,Y are not correct for this model you need
oki code is
Posted on Oct 31, 2007
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Posted on Jan 02, 2017
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