A SERVICE OF

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P Tray 4 paper sensor
Tray 4 media-presence sensor (PS451)
1. Remove the Tray 4 cassette, and then push on the sensor levers to activate the sensor.
Figure 3-19 Test the Tray 4 cassette media-presence sensor
2. Check the control-panel display for sensor response.
3. If there is no response, replace the optional 500-sheet feeder.
ENWW Tools for troubleshooting 155