RAM One bank of Non-Volatile RAM (NVRAM) stores parameters. Dynamic random access memory (DRAM) provides temporary storage of the product program code plus copy, scan, and print data. Parallel interface or Universal Serial Bus interface The formatter receives incoming data through its bidirectional ECP or USB interface. These interfaces provide high-speed, two-way communication between the product and the host, allowing you to change product settings and monitor product status from the host computer. Control panel The control panel configuration varies by model in the HP LaserJet 3300mfp series. For example, only the HP LaserJet 3330mfp has the fax buttons.
The HP LaserJet 3300mfp series control panel consists of: up to six groups of buttons to control fax, copy, scan, and configuration functionality (with all six on the HP LaserJet 3330). a 2 x 16 LCD display for display of status, menus, and messages. up to two front panel status lights (one by the cancel button and one by the fax/send button on the HP LaserJet 3330). Draft mode Depending on which driver is used, selecting draft or EconoMode from the driver allows the product to use approximately fifty percent less toner, extending the life of the print cartridge. MEt HP MEt effectively doubles the standard memory through a variety of font and data-compression methods.
78 Chapter 4 - Operational overview EN