Receipt Printer troubleshooting
Troubleshooting for Petro receipt printers: no power, error light, 'Printer Unavailable', missing receipts, gibberish output, and baud rate checks.
Receipt Printer No Power - Power LED Is OffReceipt Printer Red Error Light Is On"Receipt Printer Unavailable" Error FixNew receipts not printing (reprints work)Receipt prints gibberish / random characters
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