FARGO electronic HDP820 - Manual (Page 119)

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HDP 800 Series Card Printer/Encoders Service Manual (Rev. 5.0) 105
Resolving the Lam Error/Out Error Message (continued)
Step Procedure
3 Check the Laminate Ribbon Clutch to determine if it is too loose.
a. Remove the back cover.
b. Use a 7/16” wrench to tighten the nut on the end of the Encoder wheel
by ½ - turn.
4 Test the Encoder Sensor (D870198).
a. Remove the back cover.
b. Using a Digital voltmeter, connect the negative lead to ground.
c. Connect the positive lead to Pin 4 of J13.
• If blocked, the voltage should read 4.9 to 5.5 VDC.
• If unblocked, the Sensor should read 0.15 to 0.18 VDC.
d. If the voltages do not read correctly the Sensor should be replaced.