An electrophotographic machine includes a fusing station configured for fusing an image to an image substrate by applying fusing process parameters to the image substrate. An example apparatus includes an infrared provider to receive a first signal from a first device. A clock signal and a strobe signal have a one-to-one correspondence. With this configuration, the pre-driver layout area can be reduced, and the cost of IC can be reduced. To this end, the total energy level of the DCT coefficients excluding the lowest 2\xd72 DCT coefficients is computed, and last column and last row of the DCT coefficients is discarded alternatively until the total energy level of the DCT coefficients reaches a predetermined energy level.