Official downloads for this specific patch are rarely listed on standard driver pages and often require contacting support or finding links in community forums.
Because this is a .prn file and not a standard .exe installer, it must be "sent" to the printer as a print job. Method 1: USB Flash Drive (Easiest) Applying the DCCV1_51.prn patch to M452dn - HP Community dccv1_51.prn file download
Trusted community members sometimes host the file for quick access, such as this community-shared Dropbox folder. Installation Methods Official downloads for this specific patch are rarely
Users often find direct links provided by HP experts in threads such as the HP Support Community . Installation Methods Users often find direct links provided
Technically, a .prn file is a "Print to File" format containing driver commands that a printer can execute directly. In this case, is a binary patch for the DC Controller (DCC) firmware. It is most commonly applied to the following models: HP Color LaserJet Pro M452 (dn, dw, nw) HP Color LaserJet Pro MFP M477 (fdn, fdw, fnw) HP Color LaserJet Pro MFP M377dw How to Download DCCV1_51.prn