Whenever you download firmware from a third-party site or forum, be cautious. Ensure you are getting your files from a reputable source, as unofficial archive files can sometimes be used to distribute malware. For the safest experience, always try to find the official software on the HP Support site first.
Because Windows and macOS do not natively support the 7z format as deeply as they do .zip, you will need a third-party tool to access the contents: m277z.7z
How to Manage HP M277 Firmware Updates: Dealing with "m277z.7z" Whenever you download firmware from a third-party site
Check out our latest guides on or calibrating color settings to keep your M277 running like new! m277z.7z
: Use a free, open-source tool like 7-Zip or PeaZip .
