ADF skew adjustment If the ADF unit is not properly aligned on the flatbed, a scanned image skew might occur from the ADF front optics. If an image skew occurs, check the amount of ADF skew and adjust it within specifications. 1 Make a copy in the ADF simplex mode by loading a test page face down in the ADF input tray. Note Use a sheet of paper that allows you to measure at least 257 mm (10.1 inches). 2 Measure the L1 distance and the L2 distance with a ruler. If the difference between the two distances is equal to or less than 1.5 mm (0.06 inch), the skew is within the ADF skew adjustment specifications. Back L2 Feed direction 257 mm (10.1 inches) L1 Front Figure 207.
ADF skew adjustment (1 of 3) 234 Chapter 7 Troubleshooting C8523-90921