0x9BEcoTank ET-8550

Epson EcoTank ET-8550 error 0x9B Troubleshooting

The Epson EcoTank ET-8550 error 0x9B indicates a carriage movement fault or sensor mismatch inside your printer. It occurs when the print head cannot complete its home cycle.

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Common causes

  • 1Paper scrap
  • 2Dirty encoder strip
  • 3Lubricant failure

Solutions

Diagnóstico rápido

Look for paper scraps.

Solución paso a paso

  1. Unplug. 2. Move carriage. 3. Clean encoder strip.

Prevención y mantenimiento

Use genuine ink.

Cuándo llamar a un técnico

If the printer grinds after cleanup.

Ficha técnica del equipo

Steps to follow

  1. 1

    Power off

    Unplug device.

Frequently asked questions

Carriage jam.

Yes, stop printing.

114 series bottles.

Clean encoder strip.