Error -1073807339 occurred at VISA Write in Parallel Exp.vi
Possible reason(s):
VISA: (Hex 0xBFFF0015) Timeout expired before operation completed.
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Is it possible that the pin11(Busy) and pin12(Paper Error) are interfering with the write -- hence the above timeout error? The document suggests to tie these pins to ground (at the moment they aren't).