Search Knowledge Base
- HP Printer Double-Feeding From the ADF? [Fixed]HP • Paper Handling Issues
HP printer double-feeding pages from the ADF? A repair tech explains the difference between a dirty separation pad and a worn one, and how to tell.
- Bixolon Printer Won't Feed Paper: Causes & FixesBixolon • Paper Handling Issues
Bixolon printer won't feed paper? Here are the actual causes — from dirty rollers to sensor issues — and how to fix each without damaging the printer.
- Cleaning Your Munbyn Printer Head: Safe TutorialMunbyn • Setup & Installation
How to clean a Munbyn printer head safely: what to use, what never to touch, and the drying mistake that cracks printheads. From a 15-year repair tech.
- Bixolon SRP-330II Troubleshooting: Common Problems & FixesBixolon • Printing Problems
A model-specific troubleshooting guide for the Bixolon SRP-330II — self test steps, DIP switch settings, connection issues, and what to know about its discontinued status.
- Munbyn Printing Blank Labels? The #1 Cause [Fix]Munbyn • Printing Problems
Munbyn printer printing blank labels? A repair tech reveals the #1 cause, the 5-second scratch test, and why heat-damaged labels print nothing.
- Nelko P21 vs PL70E: Difference, Setup Guide & Tape Not FeedingNelko • Setup & InstallationError Code: Tape Not Feeding
Comparing the Nelko P21 and PL70E portable label makers. Find out which one supports PC drivers and learn how to fix label tape feed jams.
- HP Envy 4520 Printing Lines? The #1 CauseHP • Print Quality Issues
HP Envy 4520 printing lines through your documents? A repair tech explains the #1 cause and the overnight soak method for stubborn dried-ink clogs.
- How to Fix a Bixolon Printer Paper Jam (Step-by-Step)Bixolon • Paper Handling Issues
Bixolon printer paper jam? Here's the safe, step-by-step way to clear it — including cutter jams — without damaging the print head or mechanism.
- How to Clean a Bixolon Print Head SafelyBixolon • Hardware & Maintenance
Fading receipts or streaky prints? Learn how to safely clean your Bixolon printer's thermal print head and platen roller without damaging the hardware.
- Bixolon SRP-275III Not Printing: Here's the FixBixolon • Printing Problems
Bixolon SRP-275III not printing? Since it's an impact printer, not thermal, the causes differ — here's how to fix ribbon, connection, and driver issues.
- Bixolon Dot Matrix Ribbon Not Feeding: Drive Gear & Tension FixBixolon • Paper Handling Issues
Fix ribbon feed stalls and bunched ribbons on Bixolon SRP-275 and SRP-275III impact kitchen printers. Clean drive gears, adjust tension, and align cassettes.
- Fix Misaligned Label Printing on Munbyn PrintersMunbyn • Printing Problems
Munbyn labels printing off-center or drifting? A repair tech covers guides, calibration, fan-fold setup, and the hidden offset setting in your driver.
- Bixolon XD3-40 Label Printer Error: Causes & FixesBixolon • Error Codes & Alerts
Bixolon XD3-40 error? Whether it's the direct thermal XD3-40d or thermal transfer XD3-40t, here's how to diagnose media, ribbon, and calibration errors.
- 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.
- Epson LabelWorks Tape Not Feeding: Cutter Jam, Roller Slip & Cassette FixEpson • Paper Handling Issues
Resolve tape feeding errors, tape jams, and cutter stalls on Epson LabelWorks printers. Clear stuck adhesive, free cutter blades, and restore platen grip.