PLUG-FAX

HP 5851-1885 fax port plug is a small printer part listed for the M527 series. It is identified as a plug or cap for the fax port, giving the part a straightforward role at the printer’s fax connection.

Use this replacement part when servicing the fax-port area of a compatible M527-series printer. It is the port plug itself; the listing distinguishes it from a fax cable. The available part information does not specify dimensions or package contents.