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SEF. Short-edge feed. The print medium is fed into the printer short edge first.
SIMM. Single inline memory module.
simplex printing. Printing on one side of a sheet of paper. Contrast with duplex printing.
SNA character string. In SNA, a character string composed of EBCDIC controls, optionally intermixed with end-user
data, that is carried within a request/response unit.
skew. Refers to the paper going through the paper path at a slight angle. This will cause the printing lines to not be
aligned properly.
stacker. A device used to hold paper or forms that have been printed; the output device of a printer.
storage. (1) The retention of data in a storage device. (2) In word processing, a unit into which recorded text can be
entered, in which it can be retained and processed, and from which it can be retrieved. (3) A device, or part of a
device, that can retain data.
symbol set. In PCL5e, a particular assignment of hexadecimal identifiers to graphic characters.
text orientation. The position of text as a combination of print direction and baseline direction. See also orientation.
token ring. A network with a ring topology that passes tokens from one attaching device to another; for example, the
IBM Token-Ring Network.
toner. (1) In a document-printing machine, image-forming material used in electrostatic processes. (2) A supply item
for the printer. The black powder used for printing images. Synonymous with dry ink.
toner density. The amount of toner dispersed over a specified area. Higher toner density yields darker print; lower
toner density produces lighter print.
trailing edge. The trailing edge of the paper is the edge of the paper that proceeds into the printer last as it is fed
from one of the paper supplies.
twinax attachment. A twinaxial attachment to the AS/400.
twinaxial. A cable consisting of two conductors, usually small copper tubes or wires insulated from each other, within
and insulated from another conductor of larger diameter, usually copper tubing or copper braid. This type of cable is
often used to attach printers to an AS/400 system.
two-sided printing. Printing on both sides of a sheet of paper. Synonymous with duplex printing. Contrast with
simplex printing.
valid printable area. The area represented by the intersection of the physical page and the current logical page. You
can use the VPA CHK item on the IPDS Menu to specify if attempts to print outside this area cause errors to be
reported to the host.
xerographic paper. A paper that is manufactured specifically for the xerographic process, in which key paper
qualities are carefully controlled.
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Glossary
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