Replacement back roller, also known as a tractor roller, for Epson dot matrix printers. The product reference number is 1039462 and the EAN is 5705965331460. It is primarily designed for the Epson LQ-2170 printer and is compatible with related models in the LQ series, including the LQ-2070, LQ-2080, LQ-2180, and LQ-2190. The component is used for manual paper advancement and platen adjustment. It is available in white, with some retail descriptions also mentioning grey. It is a replacement part for Epson printers, suitable for maintenance and replacement.