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.

• HP Printer Banding Horizontal Stripes? [Fixed]
  HP • Print Quality Issues

  HP printer showing horizontal banding or stripes across prints? A repair tech explains the deeper cleaning levels most people never try.

• Munbyn Printer Keeps Beeping? How to Stop It [Fixed]
  Munbyn • Error Codes & Alerts

  Munbyn label printer keeps beeping? A veteran repair tech explains what each beep means and the power adapter mistake that causes phantom beeping.

• Kodak Printer Not Printing Black Ink? Nozzle & Vent Fixes
  Kodak • Ink & Toner IssuesError Code: No Black Output

  Is your Kodak printer refusing to print black? A technician walks through dried nozzle clearing, vent unblocking, and printhead priming to restore black ink output.

• HP Smart Tank 720 Ink Not Flowing? Try This First
  HP • Ink & Toner Issues

  HP Smart Tank 720 ink not flowing to the printhead? A repair tech explains the gravity-fed system and the manual priming trick most guides skip.

• Kodak Printer Error Code 105-3513? How to Fix the Printhead
  Kodak • Error Codes & AlertsError Code: 105-3513

  Kodak printer error code 105-3513 showing printhead missing or loose? A repair tech explains how to snap it back in and clean the contacts.

• Brother Printer Error 51 (Laser Unit)? Check This First
  Brother • Error Codes & AlertsError Code: 51

  Brother printer error 51 laser unit error? A repair tech explains why this usually isn't the laser at all, and the real cause to check first.

• Munbyn Printer Offline in Windows 11? [Solved]
  Munbyn • Connectivity Issues

  Munbyn printer offline in Windows 11? A repair tech shares the fix order that works, including the USB power setting that knocks printers offline.

• Brother Error Code E50 vs E51: What's the Difference?
  Brother • Error Codes & AlertsError Code: E50, E51

  Confused between Brother error codes E50 and E51? A repair tech explains the distinction and why exact meanings can shift by model.

• HP Printer Error 0xc19a0003: Problem With Printhead
  HP • Error Codes & AlertsError Code: 0xc19a0003

  HP printer error 0xc19a0003 explained by a repair tech: what 'problem with printhead' really means, and the tiny vent hole almost nobody checks.