Xerox WorkCentre Pro 412 Service Manual page 176

Maintenance & Troubleshooting
Adjust Shading
The function is to control to get the optimum scan quality by the specific character of the CIS (Contact
Image Sensor) If the copy image quality is unsatisfied, perform the function to check the condition of the
print out for checking whether or not having CIS trouble.
Method
1. Select [ADJUST SHADING] from the TECH MODE.
2. Insert a clean white original [A4 or Letter Size] into the paper loading part.
3. Original is scanned if pressing the Enter button.
4. If the original scan is completed, message is displayed on the LCD window and CIS SHADING PRO-
FILE is output.
5. If the output image is different from the normal screen, the CIS is poor.
1. Always perform ADJUST SHADING after downloading Firmware. Otherwise, the system may not
operate properly.
2. Always perform ADJUST SHADING after replacing the CIS.
7-6
CAUTION:
3/03 WorkCentre Pro 412, FaxCentre F12 &
WorkCentre M15/M15i