It features a built-in mechanical duplexer (automatic double-sided printing) that is faster than many $200 printers today. It uses the
Since this is an older model, finding the official updater can be tricky. We recommend using the HP HPUT (HP Utility) or the official Firmware Update Utility specifically designed for the 1320 series. Always connect via hp lj 1320 firmware update exclusive
Depending on how your printer is connected (USB vs. Network), use one of the following official paths: hp lj 1320 firmware update exclusive