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Figure 97. Toner Mark/Side Verify sensor (if installed)
5. Cleaning the skew sensor
Note:
a. You will need a long-handled nylon bristle brush to clean the skew sensor.
Ask your service representative to provide the brush (P/N 451555).
b. Hold the tension arm so that it stays aligned with the blue mark on the
guide notch while you do the following steps. Otherwise, the 079A CHECK
TENSION ARM message appears when you turn on the forms path vacuum,
and you must do the Check Tension Arm procedure.
Clean the skew sensor as follows:
a. Turn off the forms path vacuum by pressing the Vacuum Push Button. The
Vacuum-Off Warning Indicator flashes and then stays lit.
b. Lift the paper off the tractor pins and move it aside so that you can access
the skew sensor and the surrounding areas.
Chapter 7. Cleaning and Servicing the printer
267
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