FARGO electronic HDP820 - Manual (Page 275)

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HDP 800 Series Card Printer/Encoders Service Manual (Rev. 5.0) 440
Sensor Testing
Step Procedure
1 Check the voltage to determine if a Sensor is working.
2 a. Test the voltage of each Sensor using ground (GRD = Chassis) to the correct
pin on each connector. See Sensor Location and Voltages table on the
next page).
b. Block a slot Sensor with a card.
c. Cover a reflective Sensor with a card.
3 a. Troubleshoot the Ribbon Sensor by using the RibbonTraq markss on the
ribbon and Film to cover the ribbon and Film Sensors. (Note: The numbers
indicate the location on J65, as shown in the Sensor Location and
Voltages table on the next page).
b. Open the upper Module to find the Ribbon Sensor orientation. (Note: The
numbers indicate the location on J65, as shown in the Sensor Location and
Voltages table on the next page.)