If you are searching for this because you are trying to fix a modern issue (like printing from Windows 10/11),
The is a legacy monochrome workhorse that has reached its end-of-life status. Because of its age, HP has discontinued direct firmware updates for this model. Most modern users will find that the latest available official firmware datecode is often around 20041024 . Current Status of Firmware Updates hp lj 1320 firmware update exclusive
: For manually installing drivers on restricted systems, use the Microsoft Update Catalog to find the DOT4 or PCL drivers specifically for Windows 10/11. If you are searching for this because you