I’m getting a “CTD calibration error” displayed, what does that mean?

Last Update date : 2014.11.27



CTD stands for color toner density and refers to an internal calibration curve that takes place at power on or after every 100 pages in order to maintain color consistency as toners wear out.


Please open the top cover, release and remove the image transfer belt from the printer and close the top cover to prevent exposure for the imaging unit. Turn the belt upside down so the handle faces the floor, and carefully clean the CTD sensor located in the middle of the belt (looks like a small window with 2 LED’s inside).


After that, re-seat and secure the belt and restart the printer. If the error persists please contact Samsung for assistance, the transfer belt might need replacement.

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