FAQs & Troubleshooting FAQ Search Results QL-810W/810Wc Not your product? Search by FAQ ID number Search Back to FAQs & Troubleshooting. 2 Results 1.faqp00010589_008 (Video) Printed barcodes cannot be read. 2.faqp00010589_006 Printed barcodes cannot be read. FAQs & Troubleshooting