Search Knowledge Base

• HP Envy 4520 Printing Lines? The #1 Cause
  HP • 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.

• Bixolon SRP-275III Not Printing: Here's the Fix
  Bixolon • 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 Fix
  Bixolon • 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.

• Bixolon XD3-40 Label Printer Error: Causes & Fixes
  Bixolon • 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 Fix
  Zebra 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.