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Canon Knowledge Base - Error: Printer Not Responding / Off-line (Configure to Correct Port) - Windows
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FAQ Article Page | Epson Republic of Ireland
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Canon Knowledge Base - Error: Bidirectional Support is Required for Your Printer – Windows
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Check Printer Status" Error in LabelMark 6 | Brady Support
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Bi-directional Communication Has a Problem (When Connecting with USB)
How to enable bidirectional support for your printer
