"High-speed IEEE-1284 compliant cables from Cables To Go ensure you realize the added speed and two way communications offered by your HP DeskJet, LaserJet, Color LaserJet, DesignJet printers, HP OfficeJet Series, HP 2500C Professional Series Color printer, HP CopyJet Copier, and HP LaserJet 3100 Printer-Fax-Copier-Scanner. This advanced technology, which defines high-speed, bi-directional communications between PC and peripheral, requires both high quality connectors and a specialized wire-type to handle the increased data rates. Seventeen pair wire twisted with at least 36 turns per meter, molded connectors, foil shielding and 85% coverage braid soldered 360 degrees to the connector shell- providing maximum resistance against harmful EMI/RFI and achieving the maximum performance for your peripheral. Connectors: DB25 Male (A) to MicroCentronics 36 Male (C). Provides increased speed and functionality over standard parallel cabling. Greater protection against EMI/RFI interference. Maximum end-to-end attenuation not to exceed 1.5 dB at 5Mhz. Designed for use with HP DeskJet, LaserJet, Color LaserJet, DesignJet printers, HP OfficeJet Series, HP 2500C Professional Series Color printer, HP CopyJet Copier, and HP LaserJet 3100 Printer-Fax-Copier-Scanner."