Epson ET-8550 CR Encoder Strip | Genuine OEM Timing Scale Clear Belt 1829778-00

Restore your Epson ET-8550 printer's precision and performance with this Genuine Epson CR Scale / Timing Scale / Encoder Strip - part number 1829778-00. Also referred to as the EPSON CR SCALE ENCODER STRIP, this clear film belt is an essential component in the printer's carriage system, ensuring smooth, accurate printhead movement.
This encoder strip is often labeled under part numbers such as GMNA066, GMNA023, or GMNA084-all are genuine OEM designations for the same high-quality Epson part.

Key Features
✅ OEM Epson Part: Direct replacement part manufactured to Epson's standards
✅ Genuine CR Scale: Critical for maintaining exact printhead positioning
✅ Compatible Across Multiple SKUs: GMNA066, GMNA023, GMNA084
✅ Clear Film with Encoded Lines: Delivers micro-level positional feedback for high-resolution printing
✅ Precision Repair Part: Ideal for restoring printers experiencing carriage issues or ghosting

Symptoms of a Failing Encoder Strip
Printhead alignment errors or "ghosting"
Jerky or erratic carriage motion
CR motor or encoder-related error messages
Visible ink smearing due to timing issues
Blinking lights or halt errors with no mechanical jam

Installation Tips
Park the printhead before starting
Use gloves to avoid oil on the strip
Re-thread the scale exactly along the original path
Ensure even tension on both ends
Clean encoder sensor if needed after installation
Watch our ET-8550 repair tutorials on BCH Technologies YouTube for expert guidance.
Fits the Following Models
Epson EcoTank ET-8550

May fit additional models using CR Scale 1829778-00 (verify with Epson support or part manual)

Package Contents
1x Genuine Epson Timing Scale / Encoder Strip (1829778-00)
This encoder strip is often labeled under part numbers GMNA066, GMNA023, or GMNA084-all are genuine OEM designations for the same high-quality Epson part.
Protective packaging

Optional link to online installation help
Why Choose BCH Technologies?
At BCH Technologies, we stock premium OEM Epson replacement parts to help you fix your printer right the first time. Whether you're doing a DTF conversion or standard repair, we've got you covered with trusted parts and detailed how-to content.