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FARGO Electronics Inc.
6-2 HDP700 Series Card Printer
6.2 SENSOR TESTING
Check the voltage to determine if a sensor is working.
Test the voltage of each sensor using ground (GRD = Chassis) to the correct pin on each
connector. See Table 6-1. Block a slot sensor with a card. Cover a reflective sensor with a card.
To troubleshoot the ribbon sensor, use the RibbonTraq marks on the ribbon and Film to cover
the ribbon and Film sensors. The numbers indicate the location on J65. See Table 6-1. Open the
upper module to find the Ribbon Sensor orientation; the numbers indicate the location on J65.
Table 6-1 Sensor Location and Voltages
Sensor Location Pin Board Low Range VDC High Range VDC
Upper Film Sensor J66 8 Print Covered .17 -.9 Uncovered 3.8-3.5
Upper Film Encoder J66 4 Print Unblocked .17 -.9 Blocked 3.8-3.5
Lower Film Sensor J65 8 Lam Covered .17 -.9 Uncovered 3.8-3.5
Lower Film Encoder J65 4 Lam Unblocked .17 -.9 Blocked 3.8-3.5
Card Position Sensor J62 4 Lam Unblocked .17 -.9 Blocked 3.8-3.5
Ribbon Encoder J64 4 Print Unblocked .17 -.9 Blocked 3.8-3.5
Flipper Table Card Sensor J58 4 Lam Unblocked .17 -.9 Blocked 3.8-3.5
Flipper Table Sensor J64 8 Lam Covered .17 -.9 Uncovered 3.8-3.5
Card Hopper Sensor J64 12 Lam Covered .17 -.9 Uncovered 3.8-3.5
Card Input Sensor J64 4 Lam Unblocked .17 -.9 Blocked 3.8-3.5
Printhead lift Sensor J64 8 Print Unblocked .17 -.9 Blocked 3.8-3.5
Transfer Lift Sensor J62 2 Lam Open 0 Closed +3.3
Lower Dancer Sensor J62 8 Lam Covered .17 -.9 Uncovered 3.8-3.5
Upper Dancer Sensor J62 12 Lam Covered .17 -.9 Uncovered 3.8-3.5
Ribbon Sensor (4) J65 3 Print Covered .17 -.9 Uncovered 3.8-3.5
Ribbon Sensor (3) J65 5 Print Covered .17 -.9 Uncovered 3.8-3.5
Ribbon Sensor (2) J65 7 Print Covered .17 -.9 Uncovered 3.8-3.5
Ribbon Sensor (1) J65 9 Print Covered .17 -.9 Uncovered 3.8-3.5
Latch Open Sensor J69 4 Lam Covered .17 -.9 Uncovered 3.8-3.5
Printer Open Sensor J64 12 Print Covered .17 -.9 Uncovered 3.8-3.5
Stacker Full Sensor J63 12 Lam Covered .17 -.9 Uncovered 3.8-3.5
(4) (3) (5) (2) (1)
Figure 6-1 Layout of sensors on Ribbon Senor array