Affected Products:
Single-function: C2425, CS43x
Multifunction: MC2425, CX43x

Issue Description:
Waste Toner Bottle (WTB) will not be correctly calibrated after controller card replacement.

Solution:
To ensure the accuracy of waste toner level detection, calibrate the sensor (waste toner bottle)

Enter the Diagnostics Menu, and then navigate to: Printer Setup > Waste toner sensor calibration.

Remove the waste toner bottle.

Select Start calibration. If the calibration is successful, then a "Test Passed" message should appear on the display.

Install the waste toner bottle, and then restart the printer.

Still Need Help?
Have the following available when calling Lexmark Technical Support;
- Printer model(s)
- Printer serial number
- Toner/imaging unit/waste toner bottle part number and serial number
LEGACY ID: TE943