5 scan from the scanner button, Scanning documents to your ipad or smartphone, 1 25bcalibrating the scanner – Avision IS25 manual User Manual
Page 119: Maintenance -1, Calibrating the scanner -1, Maintenance

User’s Manual
8. Maintenance
8.1 Calibrating the scanner
If the scanned image looks fuzzy or there are strange
stripes on it, the scanner may need calibrating in order for
the sensor to resume its original precision. To calibrate the
scanner:
1.
Make sure your SC card or USB flash drive is inserted in
the scanner.
2.
Move the operation mode to the “SD/Flash” mode as
indicated.
3.
Press the POWER knob to “6”. The System LED blinks
in green color in a few seconds.
The System LED
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