macOS/Linux
Check the sticker on the back. Steps differ slightly if you have the base 1320, 1320d (duplex), 1320n (network), or 1320nw (wireless). How to Check Your Current Firmware Version
Get the official, exclusive firmware update for your HP LaserJet 1320. Not available through standard HP support channels.
: Unlike newer HP printers with "Dynamic Security" that use firmware to block non-HP chips, the LaserJet 1320 Go to product viewer dialog for this item. hp lj 1320 firmware update exclusive
Minor internal logic tweaks reduce paper curling and optimize duplex (two-sided) printing timings. Step 1: Verify Your Current Firmware Version
For the "N" and "NW" network-enabled models, updates patch older security protocols to prevent unauthorized network access.
Go to the official HP Customer Support - Software and Driver Downloads page. Step 2: Enter "HP LaserJet 1320" in the search box. Select your specific variant (1320, 1320n, 1320nw, etc.). Step 3: Choose your current Operating System (Windows or macOS). Step 4: Expand the "Firmware" category (if available). Download the .rfu (Remote Firmware Update) file. Step 5: Run the downloaded Utility. For network printers, you can also use the HP Web Jetadmin tool to push the update across multiple devices. Step 6: Do not power cycle the printer or turn off the PC during the process. The update can take anywhere from 10 to 30 minutes, depending on the connection type and hardware config. macOS/Linux Check the sticker on the back
Release the button when the green Ready light begins to blink.
Many users have reported that their HP LaserJet 1320 stops working after a Windows 10 update, especially after upgrading to version 1809 or a specific cumulative update.
Advanced / Exclusive scenarios
Press . The data will stream directly to the hardware spooler, triggering the update lights on the machine. Troubleshooting Common Update and Print Failures
Switch your computer's driver from PCL6 to the or PostScript. Device Not Recognized via USB Modern USB 3.0/4.0 port compatibility issues.