HP A8P79-60105 FAX FFC is a flat flexible cable identified for the fax function in the HP LaserJet Pro MFP M521dn parts listing. It is a printer service component intended for that fax-related assembly.
The listing names this exact part as a FAX FFC. It distinguishes it from the nearby A8P79-60106, described separately as the control-panel FFC connecting the control panel to the formatter. This distinction helps identify the correct cable role within the printer’s parts set.
The part number associates it with the HP LaserJet Pro MFP M521dn (A8P79A). No dimensions, connector details or package contents are specified in the available listing.