HP removed old firmware from their site. Try:
Once you have successfully downgraded or if your printer currently works with third-party ink, you must disable automatic updates to prevent the printer from locking again. HP Support Community
HP removed old firmware from their site. Try:
Once you have successfully downgraded or if your printer currently works with third-party ink, you must disable automatic updates to prevent the printer from locking again. HP Support Community
HP removed old firmware from their site. Try:
Once you have successfully downgraded or if your printer currently works with third-party ink, you must disable automatic updates to prevent the printer from locking again. HP Support Community