Epson SCALE,CR 1409999 is a CR scale, also described as an encoder strip, for selected Epson printers. It is identified as part reference 520 and can be used as a replacement part for a compatible printer.
The listing specifies compatibility with Epson L800, L801, L810 and L850 models. Its compact packaged size is 4 × 4 × 1 cm, with a packaged weight of 0.01 kg. This identifies the part and its stated fit without adding unlisted specifications or uses.