HP DesignJet 500 User Manual
Page 260
printhead cleaner
Part of the HP No.81/83 supplies which ensures the
printhead is ready for printing at all times, it makes sure
the printheads do not dry out when they are not in use.
There is one printhead cleaner for each printhead.
printing area
Page size minus margins.
PostScript
A standard page-markup language, commonly used by
graphics and desktop publishing software applications.
queueing
Placing each print received by the device into memory
for processing with other prints.
raster
A method for defining an image, in terms of dots rather
than lines. Raster data typically needs more memory
than vector data.
reseating
The action of removing the printhead from
the printhead carriage and then inserting it
again.
RGB
Red, green and blue. A standard color model.
RIP
Raster Image Processor.
RTL (Raster Transfer Language)
One of Hewlett-Packard's standard graphics languages
for plotters and printers. Produces raster data.
ROM DIMM
A physical module containing read-only data, that can
be installed in the back of the printer to provide
upgrades.
spindle
The rod which holds the roll of paper.
paper-axis
The vertical axis, as you look at the printer from the
front in which the paper feed moves.
scan-axis
The horizontal axis, as you look at the printer
from the front in which the print carriage
moves.