Hp Officejet Pro 8620 Firmware Downgrade New <2025-2026>

Before starting, you must stop the printer from immediately re-updating once the downgrade is complete. On the Printer Panel (gear icon) > Printer Maintenance Update the Printer Printer Update Options : "Do Not Check" or "Off".

On your printer's touchscreen, swipe down and tap the (gear) icon. Scroll down and select Printer Maintenance . Select Update the Printer .

HP frequently releases firmware updates that enhance their . While HP claims this protects the printer, it often results in blocking non-HP chips. hp officejet pro 8620 firmware downgrade new

The following methods have been reported to work for the HP OfficeJet Pro 8620.

Verify and restore

If your 8620 suddenly reports "Cartridge Error," "Missing or Damaged Cartridge," or "HP Chip Error" after an update, you are likely facing this issue. is the primary way to restore functionality and regain the freedom to use cheaper cartridges.

Turn on the printer, connect via USB, and run the downloaded firmware executable file ( .exe or .app ). Before starting, you must stop the printer from

HP does not officially support downgrading. Newer firmware (like FDP1CN2022AR ) is often locked to prevent reverting.

Downgrading the HP OfficeJet Pro 8620 is a high-risk procedure. HP has successfully implemented "Anti-Rollback" features on many 8620 units produced in recent years. If you cannot find the specific older firmware file or if the official utility blocks the install, you may be forced to keep the current firmware. Scroll down and select Printer Maintenance