FARGO electronic DTC500 - Manual (Page 82)

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DTC500 Series Card Printer/Encoders User Guide (Rev. 5.0) 82
Resolving the Communication Errors (continued)
Step Procedure
4 Determine if there is interference from an external device.
a. Do not use an A/B Switch Box or other peripheral in line with the parallel
cable.
b. If using a Switch Box or other peripheral, remove it while testing
communication between the computer and the Printer.
c. If needed, replace the Switch Box or other peripheral (once it is determined
that the cause of the interference is not the Switch Box or the peripheral).
d. Alternative: Add a second Parallel Port into the computer (if a second
Printer is required).
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