Once the downgrade is successful, the most important step is to go into the printer’s settings (on the touch screen) and Turn Off Auto-Updates . If you don't, the printer will simply download the restrictive firmware again within a few days. The Final Verdict
Despite the risks, there are some potential benefits to downgrading your OfficeJet Pro 8620's firmware:
A sample of 50 HP OfficeJet Pro 8620 users who downgraded to version 1638A reported: hp officejet pro 8620 firmware downgrade better
Cartridge still shows “Incompatible” after downgrade Solution: Some cartridges have a permanent chip lock. Buy fresh compatible cartridges from a vendor that explicitly states “No firmware update required.” We recommend LD Products or 4Inkjets.
: Firmware updates can sometimes trigger false "damaged" or "problem" cartridge messages on perfectly functional third-party units. How to Downgrade (General Steps) Once the downgrade is successful, the most important
Select your HP OfficeJet Pro 8620 from the list of connected devices. Click "Update" or "Proceed."
HP OfficeJet Pro 8620 Firmware Downgrade Better? A Comprehensive Guide HP OfficeJet Pro 8620 Buy fresh compatible cartridges from a vendor that
With those risks in mind, here are the general methods that users have reported for downgrading. This process is by HP.
You need to locate an older firmware version (typically versions ending in or 1545 , which were released before the aggressive third-party ink lockouts). Look for reputable printer repair forums or third-party ink supplier websites to download the older executable ( .exe for Windows or .dmg for Mac) file safely. Step 2: Prepare the Printer Turn on the printer.
If you are facing "Non-HP Chip Detected" errors, "Cartridge Problem," or ink system failures, downgrading your HP OfficeJet Pro 8620
The primary reason to downgrade the HP OfficeJet Pro 8620 firmware is to bypass Dynamic Security
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