User’s Manual8-18. Maintenance8.1 Calibrating the scannerIf the scanned image looks fuzzy or there are strange stripeson it, the scanner may need calibrating in order for the sensorto resume its original precision. To calibrate the scanner:1. Make sure your SD card or USB flash drive is inserted inthe scanner.2. Move the operation mode to the “SD/Flash” mode asindicated.3. Press the POWER knob to “6”.4. Press the Scan button ( ) for two seconds. TheSystem LED blinks in green color in a few seconds.The System LED
