Take out the magenta cartridge. and make sure the edges are clean. There are little metal pieces on the sides where the sensor reads the cartridge. Also, make sure the "lock" on the cartridge is locked.
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This error comes up when the printer detects that the toner of particular color is missing. This indicated that the indicated color toner is missing from the printer(eg-- C = Cyan, Y = Yellow, M = Magenta, K = Black).
C5150 may face a toner sensor error after installing used sets of toner cartridges and sometimes even after installing new toner cartridges as well. This error can be bypassed. This can be disabled by following these steps---
1. Turn machine on while pushing and holding the (+/-), menu buttons at same time. 2. Menu window will show OKI USER. 3. Scroll to Engine Dialog Mode is indicated Push Enter button. 4. Diagnostic Mode xx xx xx S Mode is indicated. 5. ( = 2 ) . Press (- or +) button until “ENGINE - PARAMETER SET =2” is displayed. 6. Push Enter button. 7. TONER SENSOR - ENABLE is displayed. 8. Push Enter button. 9. Press (- / +) TONER SENSOR = DISABLE is displayed. 10. Press ON LINE CANCEL buttons at same time. 11. (*) is displayed. 12. Restart the Printer.
This can be caused by the transfer belt damage or the contact group damage. 141 is an error of Magenta ID up/down. Possible reason though - check the place next to the belt at the right hand side near the Magenta drum location. You'll see the terminals sitting in the housing with the spring. If the housing is fell off or the spring is missing - that can cause this error. Otherways you'll need to replace the transfer belt.
Take out the magenta cartridge to the right upper indside wall of the printer you should be able to see a small rectangular window, give it a blow of wipe with a cloth, do the same to the corresponding part of the m toner, put the drum and toner back, shut the lid and everything should be ok. If not contact oki for a replacement drum/cart.
Magenta toner sensor error. Reseat drum unit. check toner cart. Take out the key that prevents you from putting drums in wrong slot and swap the whole drum and toner assy with another color, if it follows the magenta unit then that is the problem somehow.
Fatal Error 161-Toner Sensor Error, Color:Magenta When magenta toner sensor error has occurred
Fatal Error 163-Toner Sensor Error, Color:Black When magenta toner sensor error has occurred
Both are Sensor errors....You would first check the lock levers that hold the toner cartridges in, if everything is fine with them then you could possible have toner dust on the sensors. First take out the cartridge that you are having problems with, then use a dust off can and carefully clean out any axcess toner that you can see where the toner sits. there is a sensor that looks like a clear plastic or glass eye that reads the cartridges and it sometimes gets dirty.