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HP Universal Print Driver (UPD) is an intelligent print driver that supports a broad range of HP print devices, such as LaserJet and various MFPs. Developed by Hewlett-Packard , HP UPD combines a general purpose driver ( XPSDrv , UniDrv , or PSCRIPT ), print control, and HP proprietary extensions.
A software-based virtual serial port presents one or more virtual serial port identifiers on a PC which other applications can see and interact with as if they were real hardware ports, but the data sent and received to these virtual devices is handled by software that manipulates the transmitted and received data to grant greater functionality.
To determine whether a driver is Unidrv-based, the following steps need to be taken on Windows: Click the Start button, and then open the Printers folder. From the File menu, click Server Properties. Click the Drivers tab. Select a driver, and then click Properties. Observe the driver list in the Driver Properties dialog box.
Any Amiga printer driver had to communicate though the standard Amiga printer.device (the default standard hardware device of Amiga dealing with printers), and the standard parallel.device (which controlled parallel port) and the driver would then control the printer on its own. Amiga printer drivers were an innovation for their time.
The "JetDirect" designation covers a range of models from the external 1 and 3 port parallel print servers known as the 300x and 500x, to the internal EIO print servers for use with HP printers. The JetDirect series also includes wireless print server ( Bluetooth , 802.11b and g ) models, as well as gigabit Ethernet and IPv6 -compliant internal ...
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If no printer port is present at 0x3BC, the second port in the row (0x378) becomes logical parallel port 1 and 0x278 becomes logical parallel port 2 for the BIOS. Sometimes, printer ports are jumpered to share an interrupt despite having their own IO addresses (i.e. only one can be used interrupt-driven at a time).
Learn how to download and install or uninstall the Desktop Gold software and if your computer meets the system requirements.