C3300

How do I find and resolve Toner Sensor Errors?

22/10/2009

If your printer displays a toner sensor error please check the following...

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Please carry out the following instructions if you receive one of the following error codes:

540 Toner Sensor Error, Colour: Yellow
541 Toner Sensor Error, Colour: Magenta
542 Toner Sensor Error, Colour: Cyan
543 Toner Sensor Error, Colour: Black

The printer contains four image drums; cyan, magenta, yellow and black.

How do I find the Toner Sensors?

Press the cover release and open the top cover fully and note the positions of the four cartridges:

Toner Position

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There are two sensors for each toner: one on the drum (TS1) and one on the machine (TS2).

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       TS1: Toner sensor on drum                                        TS2: Toner sensor on the machine

TS1: The toner sensor is located on the right hand side of the drum (see image above left)

TS2: The Toner sensor on the machine can be found on the right hand side panel of the machine on the inside (see image above right).

The sensor is enclosed in a square hole, this works in conjunction with the toner sensor located on the right hand side of the drum.

Toner Sensor Errors

If your printer displays a toner sensor error please power off the printer and check the following:

  • Check that all the blue toner levers are pushed firmly towards the back of the machine

  • Check if the sensors need to be cleaned. To clean the sensor in the machine you will need something small and soft (lint free), any toner that has built up on the sensor will be a very fine powder and should be easy to remove.

  • Check if the sensor lever on TS1 has been pushed up

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                    Correct (pushed up)                                                                       Incorrect

If it is incorrect it can sometimes result in the blanking disc not being pulled out of the way, this results in the sensor on the machine not picking up the sensor on the drum. Pushing the disc up will resolve the problem.  The disc will not fall back down again, providing that the blue toner lever is pushed firmly to the back of the machine.

If you still have an error message please contact your local OKI Printing Solutions office for further assistance.

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