Search Knowledge Base
- Primera LX400 vs LX900 Comparison & LX2000 Error CodesPrimera Technology • Setup & InstallationError Code: LX2000 Error Code
Comparing the Primera LX400 and LX900 label printers? Learn the differences in ink systems. Plus, how to decode and fix common LX2000 hardware error codes.
- Citizen CL-S Series Guide: 521 vs 521ii, 621, 631 & 700Citizen Systems • Setup & Installation
Learn the difference between Citizen CL-S521 and CL-S521ii models. Troubleshoot CL-S631 printing errors, counter resets, and setup the industrial CL-S700.
- How to Reset a Bixolon Printer (Soft Reset vs Factory Reset)Bixolon • Setup & Installation
Learn how to perform a soft reset or factory reset on a Bixolon printer. We cover step-by-step factory reset procedures for SRP, XD, and SPP series models.
- Bixolon Printer Won't Switch to Label Mode: VMSM & Sensor FixBixolon • Setup & Installation
Fix Bixolon SRP-S300, SRP-Q300, and SPP printers refusing to switch from receipt to label mode. Configure Virtual Memory Switches and gap sensors.
- Zebra Printer Won't Calibrate Labels & Gap Not Detected FixZebra Technologies • Hardware & MaintenanceError Code: Media Out / Gap Not Detected
Is your Zebra printer flashing red, feeding multiple blank labels, or failing to detect the label gap? Learn how to fix calibration disabled errors.
- Bixolon XD5-40 Troubleshooting: Calibration & Error FixesBixolon • Error Codes & Alerts
A complete Bixolon XD5-40 troubleshooting guide — the two-LED status table, sensor calibration, and fixes for every error mode this label printer reports.
- Dascom Print Head Gap & Multi-Part Form FixesDascom • Print Quality Issues
Learn how to adjust the print head gap on a Dascom printer to successfully print on 4-part, 6-part, or 7-part carbonless continuous forms without smudging.
- Fix Nelko PM220 Not Printing, Paper Jams & Indicator LightsNelko • Hardware & MaintenanceError Code: Red Indicator Light
Is your Nelko PM220 or PM230 displaying a solid red light and refusing to print? Learn how to decode indicator lights, fix paper jams, and clean the sensors.
- Dascom DC-2300 & Kiosk Card Printer Error CodesDascom • Error Codes & Alerts
Troubleshooting the Dascom DC-2300 and Kiosk card printers. Fix card feed errors, ribbon breakages, and 'Card Not Found' blinking light errors.
- HP DesignJet Banding on Long Prints? Paper Advance & Line Sensor CalibrationHP • Print Quality Issues
Fix horizontal and vertical banding across long CAD drawings and large format posters on HP DesignJet plotters with calibration and nozzle checks.
- Zebra Ribbon Not Feeding & Top Cover Error FixZebra Technologies • Hardware & MaintenanceError Code: Ribbon Out / Cover Open
Is your Zebra printer's thermal ribbon not feeding, snapping, or causing a 'Top Cover Open' error? Learn how to route ribbons and fix mechanical latch sensors.