HP LaserJet 4345 HP LaserJet 4345mfp - Software Technical Reference (External) - Page 51
Technology background information, Driver Configuration, Bidirectional communication
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Software description Technology background information This section contains information about the following topics: ● Driver Configuration ● HP Driver Preconfiguration ● HP Driver Diagnostic Printer Check tool ● HP Printer Access Tool ● Euro character ● HP Embedded Web Server and HP Toolbox ● HP Embedded Web Server ● HP Toolbox ● HP Web Jetadmin ● HP Digital Sending Software ● Foreign Interface Harness ● Bluetooth ● Remote firmware update ● Printing print-ready documents from a command line ● Driver-feature comparison in various operating systems Driver Configuration The HP LaserJet 4345mfp print drivers feature bidirectional communication technology which, in supported environments, provides automatic discovery and driver configuration for product accessories. Some accessories that are automatically discovered and configured are the optional 500-sheet trays (tray 3, tray 4, and tray 5), the duplexing unit for automatic two-sided printing, the optional envelope feeder, the product memory, the product hard disk, and the job-storage feature. Automatic discovery and driver configuration through bidirectional communication occurs in the following circumstances: ■ Upon every installation of a print driver, when using Enterprise Autoconfiguration (EAC) ■ When using the Update Now feature for a driver that is already installed Bidirectional communication In environments that support bidirectional communication, the computer communicates with the product during installation, determines the physical configuration, and then configures the driver accordingly. Bidirectional communication is the capability of the product to respond to data inquiries from the computer and report back information, such as what type of print media is available or what accessories are connected to the product. If the connection does not have this capability (that is, if it Technology background information 29