5. Hold a white label against the sensor as shown.
a. When you cover the sensor with a label, you will see:
DEMAND = ###
BLOCKED
Valid values are 480-999.
b. When you remove the label from the sensor, you will
see:
DEMAND = ##
CLEAR
Valid values are 0-288.
6. Close the label deflector, and then press b.
To run the Black Mark test:
1. From the HDW TEST MENU, press > until you see:
Serial Port
Sensors
2. Press e. You will see:
SENSORS TEST
On-Demand
3. Press > until you see:
SENSORS TEST
Black Mark
4. Press e.
5. Open the supply cover.
6030 Operator’s Handbook
10-12