Look for an .exe file (e.g., HP_OfficeJet_Pro_8620_FDP1HA1416AR.exe or similar early version). Mac: Look for a .dmg file.
For 90% of HP OfficeJet Pro 8620 owners, . The printer’s hardware is solid; only the software is predatory. Rolling back to firmware version FDP1CN2033AR restores your right to use affordable ink and bypasses HP’s forced obsolescence.
or "Do Not Check" to prevent the printer from immediately re-updating. Backup Settings: hp officejet pro 8620 firmware downgrade
Power cycle the machine by pulling out the power cord for 60 seconds. Plug it back in directly to a wall outlet, switch USB ports on your PC, and attempt to run the executable installer file again.
If the downgrade was successful, you may need to clean the cartridge chip contacts or perform a "Factory Reset" via the Support Menu. Look for an
First, check your current version.
If you want to ensure this process goes smoothly, please let me know: What your computer runs (Windows or Mac)? The printer’s hardware is solid; only the software
: Ensure that Allow Updates is temporarily set to Yes so the printer accepts the incoming file.
A simple but effective brute‑force method: keep the printer’s entirely. If the printer cannot reach HP’s servers, it cannot download firmware updates.
Because HP removes older firmware versions from its official support site, you must source them from reputable third-party archiving sites or ink supplier forums.