Check the listing for details. Epson CR Timing Encoder Scale Strip Belt EcoTank ET-2720 ET-2750 & More. Condition: New. Listed at 15.99 USD. Many Epson EcoTank models use the Epson Part Number: 1746669, identifiable by a marking on the right side of the strip. It can be an effective solution to issues such as the printer skipping, blank vertical lines appearing in prints, and the printhead smashing to the left, among other problems. Please note that the strip features a black "triangle" on the left side, which should be installed in an upright position, pointing upwards. It's important to mention that the strip does not include a spring, which must be purchased separately. While this strip can help resolve some issues, it might not be the sole solution. It's also advisable to inspect the encoder sensor, sensor cable, and mainboard to fully diagnose your printer's problems.