orientation of an overlay relative to the page point of origin. See also text orientation.

OS/VS.

overlay. See electronic overlay.

Overlay Generation Language/370 (OGL/370). The licensed program that is used to create electronic overlays.

P

page. A printed form. See also logical page and physical page.

page de®nition (PAGEDEF). A statement that speci®es attributes of a logical page, such as the width of its margins and the orientation of text.

page perforation. The perforation that de®nes the page of a form. It may or may not be at a fold in the form. A form may have several pages between each fold. See also fold perforation.

page printer. A device that prints one page as a unit. Contrast with line printer.

Page Printer Formatting Aid (PPFA). A licensed program that creates form de®nitions (FORMDEFs) and page de®nitions (PAGEDEFs).

pallet. A portable platform for handling, storing, or moving materials.

paper break. A separation, either at a perforation or from a tear, of the continuous-forms paper.

paper path. The entire route that forms travel while they are being processed. The paper path usually begins where the forms are loaded and ends at the stacker. Because not all forms are paper, the term forms path is preferred.

parallel channel. A channel having a System/360 or System/370 channel-to-control unit interface that uses bus-and-tag cables as a transmission medium. Contrast with ESCON channel.

parameter. A variable that is given a constant value for a speci®ed application and that may denote the application.

PC. Photoconductor.

PC drum. A hollow cylinder that is covered with photoconductive material.

pel (picture element). (1) An element of a raster pattern; a point where a toned area on the photoconductor may appear. (2) On an all-points-addressable output medium, each pel is an

addressable unit. On a row-column addressable output medium, the only pel addressable is the beginning of a character cell.

PEM. Print-error marker.

perforation. A linear series of unconnected cuts in the continuous-forms paper. The interval between cuts is referred to as a tie. The perforation de®nes either a fold or page boundary. See also cut, fold perforation, microperforation, and page perforation.

photoconductor. The material that is wrapped about the drum. The medium for transferring images to paper.

physical page. The form on which the printer is printing, such as an 8ì x 11-inch sheet of paper.

physical planner. The person in an organization who plans the environmental, electrical, and space requirements for your facility.

planning coordinator. The person in your organization who is responsible for coordinating all the planning and installation activities for the InfoPrint 3000.

plant. A manufacturing location.

PMF. Print Management Facility.

point of origin. The location of the ®rst print position on a logical page. The point of origin is usually stated in terms of X and Y coordinates. The point of origin used by a printer can be affected by factors such as printable area and forms orientation.

portrait orientation. Pertaining to a display or hard copy with greater height than width.

PPFA. Page Printer Formatting Aid.

preprinted form. A sheet of forms containing a preprinted design of constant data with which variable data can be combined. See also electronic overlay.

Print Management Facility (PMF). An interactive menu-driven program that can be used to create and modify fonts and to de®ne output formatting for data printed on the IBM InfoPrint 3000.

print mode. The operational mode in which information is received from the attached controlling computer system and printed output is produced. Contrast with test mode and diagnostic mode.

print position. The physical positions of the characters constituting a print line relative to the form.

print quality. The quality of printed output relative to existing standards and in comparison with jobs printed earlier.

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IBM 3000 manual Os/Vs