iSys iTerra IJ875 - Manual (Page 48)

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Top of Form Calibration
1. Press Start.
2. You will now see a number for sensor output.
3. Insert paper until the sensor is above the white space.
4. Manually adjust the gain by pressing either Increase Gain or Decrease Gain until the sensor is below 45
for white space.
5. Insert the paper in more until the sensor is above the I-mark. Manually adjust the gain until the sensor
detects 180 or higher for the I-mark.
6. Press Stop and Save.
Manual calibration
Calibrate TOF lets you calibrate the Top of Form. You can adjust the gain by pressing the Increase Gain or
Decrease Gain buttons. The target numbers are as follows:
Sensor Detects Sensor Output Target
Whitespace Less than 45
Top of Form Greater than 180