A SERVICE OF

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Q Tray 4 detect switch
Tray 4 cassette presence switch (SW461)
1. Remove the Tray 4 cassette, and then install it to activate the sensor.
Figure 3-20 Test the Tray 4 cassette presence switch
2. Check the control-panel display for sensor response.
3. If there is no response, make sure that the sensor-actuator tab on the cassette is not damaged or
missing.
If necessary, replace the optional 500-sheet feeder.
156 Chapter 3 Solve problems ENWW