
User’s Manual
7-8
7.5
Cleaning the Ultrasonic Sensors
If the scanner sometimes fails to detect multi-feed via ultrasonic
sensors, it is possible that paper dust or dirt may be
accumulated on the surface of the ultrasonic sensors. Please
follow these steps to clean the sensors.
1.
Press the ADF release button. Open the front door.
2.
Wet a clean cloth with some isopropyl alcohol. (95%)
3.
Gently wipe the dirt and dust off the surface of the ultrasonic
sensors.
Note:
If it is difficult to clean, use a cotton swab.
The availability of ultrasonic sensor varies according
to your scanner model.
Utrasonic Sensors
Summary of Contents for AD345GF
Page 1: ...Document Scanner User s Manual Regulatory model DL 2011B Avision Inc...
Page 27: ...3 11 Document Feeding 1 Unfold the document feeder and its extension 2 Raise the paper stopper...
Page 42: ...4 5...
Page 51: ...4 14 Error Diffusion Image Dynamic Threshold Dynamic Threshold AD...
Page 54: ...4 17 Normal Photo Document Threshold 230 Normal Photo Document Threshold 230...
Page 67: ...4 30 The Compression tab dialog box...
Page 71: ...4 34 The Color Dropout dialog box...
Page 140: ...7 17 3 Move the belt UP as indicated 4 Move the tab of the ADF roller DOWN as indicated...