Troubleshooting
8 min read
Square Cash Drawer Not Opening: Diagnose the Fault
Separate mechanical, USB, printer-driven, and profile failures before resetting Square hardware or replacing a working cash drawer.
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Scanners, inventory workflows, SKU labeling, and stock-counting systems.
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Receipt printers, label printers, thermal media, drivers, and replacement planning.
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Troubleshooting
9 min read
Barcode Scanner Scanning Wrong Characters: Safe Fixes
Use one controlled scan to isolate keyboard layout, prefixes, interface mode, timing, and catalog formatting before resetting the scanner.
Troubleshooting
8 min read
Receipt Printer Printing Faded? Diagnose the Pattern
Use the receipt pattern, a self-test, and known-good paper to separate media, contamination, settings, contact, heat, and hardware faults.
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Troubleshooting
Square Cash Drawer Not Opening: Diagnose the Fault
Separate mechanical, USB, printer-driven, and profile failures before resetting Square hardware or replacing a working cash drawer.
Troubleshooting
Barcode Scanner Scanning Wrong Characters: Safe Fixes
Use one controlled scan to isolate keyboard layout, prefixes, interface mode, timing, and catalog formatting before resetting the scanner.
Troubleshooting
Receipt Printer Printing Faded? Diagnose the Pattern
Use the receipt pattern, a self-test, and known-good paper to separate media, contamination, settings, contact, heat, and hardware faults.
Networking & Uptime
Internet Failover for POS Systems: A Safer Setup
Build a POS internet backup that preserves the local checkout network, switches paths automatically, and survives a controlled outage test.
Troubleshooting
Receipt Printer Not Cutting: Fix the Auto-Cutter Safely
Separate receipt-printer cut settings from paper-path jams, recover safe faults in order, and know when the auto-cutter needs service.
Troubleshooting
Shopify Tap & Chip Reader Not Connecting: Safe Fixes
Use a safe diagnostic order to reconnect a Shopify Tap & Chip reader without erasing support logs or resetting working hardware blindly.
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