: Serial, USB, LPT, or LAN/Ethernet depending on the specific model configuration. Command Set
Elias wiped grease from his hands with a rag. He was an IT support technician, a job title that currently felt more like "archaeologist." He was staring at the Codesoft DP7645 III.
Try a different USB port or cable. Ensure the printer is not in "Hex Dump" mode.
He hit Enter.
This usually indicates a baud rate mismatch or the wrong emulation (ESC/POS) selected in the driver settings.