Controller

Controller

The software that controls the engine of a printer. The controller is the intelligence of the printer.

Crown

A multitasking operating system architecture developed by QMS and used in the QMS 1660E Print System.

Default

A printer control panel setting used in the absence of a application selection. See also factory default.

Download

Transfer information from one device to another. Downloaded fonts and emulations are not built into the printer. They are transferred from the computer and temporarily stored in the printer's memory (until the printer is turned off) or on a hard disk.

dpi

An acronym for dots per inch, a measurement unit used to indicate printer resolution. Your QMS 1660E Print System has 300x300, 600x600, and 1200x600 dpi resolution.

Driver

See printer driver.

DTR/DSR

An acronym for Data Terminal Ready and Data Signal Received, a hardware -controlled protocol. It controls the flow of data via signals on the DTR/ DSR line, as opposed to XON/XOFF protocol, which is software controlled.

Electrophotographic Drum

A drum in the toner cartridge that is sensitive to both light and electricity. It is used in the creation and transfer of images to the printed page. See also toner, toner cartridge.

Emulation

Software that allows the printer to respond to commands intended for a different type of printer. For example, when the printer is set for HP PCL

G-4

QMS 1660E Print System Reference