: Official HP Support warns that forcing a downgrade can lead to "bricking" (making the printer permanently unusable) or losing critical functionality.
If you are currently stuck with an 8620 that refuses third-party ink, here are the realistic paths forward:
firmware downgrade are mixed, primarily because modern HP firmware versions are often designed to . While HP officially states that downgrading is not possible or recommended, many users pursue it to bypass "Dynamic Security" which prevents the use of non-HP ink cartridges. The "Good" Reviews & Successful Workarounds
: Official HP Support warns that forcing a downgrade can lead to "bricking" (making the printer permanently unusable) or losing critical functionality.
If you are currently stuck with an 8620 that refuses third-party ink, here are the realistic paths forward:
firmware downgrade are mixed, primarily because modern HP firmware versions are often designed to . While HP officially states that downgrading is not possible or recommended, many users pursue it to bypass "Dynamic Security" which prevents the use of non-HP ink cartridges. The "Good" Reviews & Successful Workarounds