Fujitsu FI-5900C Operator's Manual page 137

7. Clean the Document sensor on the upper transport path (1 unit at 1
location) using a cotton swab moistened with the cleaner F1.
8. Close the ADF cover.
For details, refer to "2.3 Opening and Closing ADF" on page 12.
4.5 Cleaning the Transport path and the sensors
Document sensor
4
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