ChatterBank5 mins ago
PC to Printer communication
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This page might help. At least if it prints a test from the printer controls (rather than from the software menu) you'll know if the printer is at fault or not.
If the print queue is disappearing one item at a time, that suggests the information is being sent.
One other thought is that whatever you are printing is set to 'Print to file' rather than to the printer. This would account for the queue disappearing without error messages being shown.