Rearad Sensor Calibration - Epson Stylus Pro 4000 Field Repair Manual

Stylus Pro 4000 Field Repair Guide
Note: This adjustment sets the "White Level" for the RearAD Sensor (sensitivity calibration).
Note: This adjustment can be performed using the customer's media if it is non-standard (transparent,
etc.).
1. Place paper in the paper path. Ensure that the paper is inserted past the Pinch Rollers and the
Paper Feed Roller.
2. Press and hold the Left, Down, and
3. Using the Down
4. Using the Down
5. The Printer's LCD will display
6. The Printer will sample the media setting the white level (sensor sensitivity).

RearAD Sensor Calibration

RearAD Sensor Calibration
Up
button, navigate to Self Testing: Adjustment:
button, navigate to RearAD:
[ENTER]
Printer Component,
buttons, and turn on the Printer (Maintenance Mode 2).
and press the
Start. Press the Menu
Software Item, LCD Display, Printer Button
and press the Menu
Menu button.
button to start.
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button.
Page 175.