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Operator Guide 4-21
Maintaining the system
Figure 4-21 Clean Q1107 sensor
Cleaning the Q1164 sensor
To access sensor Q1164, open the top cover of the last feeder/
stacker module (the one containing the purge tray).
To clean the sensor:
1. Brush or wipe the sensor window lightly.
2. Remove any paper dust present in the area.