New USB to IEEE 1284 DB25 25-Pin Parallel Printer Female Adapter Cable Cord Fully Compliant with USB 2.0 and IEEE 1284 Specifications, Fully compatible with all parallel printers. The USB to Parallel Printer Converter with bi-directional data transfer easily supports USB-to-parallel and parallel-to-USB communication. Ideal for connecting USB-equipped desktop or notebook computers to a parallel printer or for adding a DB25 female port, it helps deliver faster data transfer rates than a standard parallel port. Connectors: USB Type A Male - DB25 Female Support: Windows 98/SE/ME/2000/XP/Vista Appearance color: black Cable length: about 80cm Applicable system: Windows 95, OSR2.1, windows 98, Windows ME, Windows 2000, Windows Xp, etc. usage: One end is connected to the parallel port of the parallel printer, and the other end is connected to the computer USB port. Turn on the printer power, insert the USB port of the computer, WINDOWS prompts to find new hardware, re-add the printer, please set the port to a USB port, install the printer driver, OK. Note: When using, please connect the cable before turning on the printer. Do not plug or unplug the parallel port of the cable with power on, otherwise the adapter chip will be easily damaged and the printer will not work or print garbled characters. Because the chip has a charging process, please print it twice during the first connection printing, and it will be normal afterwards.