HP RK2-8017-000 23-pin flat flexible cable designed for Color LaserJet Pro M377, M452, and M477 series multifunction printers. This internal connector cable establishes communication between the printer's main logic board and peripheral modules, supporting print, copy, scan, and fax operations across compatible models. The flat flexible design enables routing through tight spaces within the printer chassis while maintaining reliable signal integrity. Compatible with M377dw, M452dn, M452dw, M477fdw, M477fdn, and related variants. Commonly needed for printer maintenance, repair, or replacement workflows in office environments. Tested and guaranteed; available via quote.