HP 750c Service Manual - Page 275

PJL Printer Job Language, developed by Hewlett-Packard to give software applications more job-level device control and to provide device status information to the application. platen roller Drive roller. plot quality Print quality. PML Printer Management Language. P/N Part Number. power cycle The switching of the plotter off and then on again. primary colors cyan, magenta, yellow, black. print quality Plot quality Product Line 30 Hewlett-Packard's product line of large-format, pen and thermal-inkjet plotters. PWM Pulse-Width Modulation. RAM Random-Access Memory. raster 1. A matrix of dots, or pixels, where each pixel is defined by a bit. A bit that is "on" will print a dot on the paper. A bit that is "off" will leave the area blank. 2. A method for defining a plot directly in terms of the pixels rather than as vectors. raster image processor Software that converts graphics data to pixel format. relative humidity The ratio of the amount of water vapor actually present in the air to the greatest amount possible at the same temperature, (from Webster's Ninth New Collegiate Dictionary, D Merriam-Webster 1991). resolution A measure of image sharpness expressed as a number of lines per unit length. When referring to plotters, addressable resolution means the smallest move the plotter can make programmatically. rms Root mean square. ROM Read-Only Memory. roman A character set based on the Latin alphabet. RS-232-C interface A serial interface standardized by the Electronic Industries Association Standard RS-232-C. RTL see "HP-RTL." SFIBIS An ASIC SCondor An ASIC sec Second(s). secondary colors Red, blue, green. service monitor Data display; display data; monitor mode. SIMM Single In-line Memory Module. skew Misalignment. special paper A paper specifically developed by HP, for HP inkjet plotters. SPROC Servo-Processor Code. C4705-90000 Glossary-5