Laser Printer User Manual

way otherthanthe TIFF formatwill producevery strangeresults!Repeat

sendinglinesof graphicsdata,prefixedby the abovecommand,untilthe

wholeimagehasbeentransmitted.

To signalthe end of graphicdata transmission,send the followingcom-

mand:

<ESC>* r B

Thereare no parameters.The LaserPrinter4 is nowin textmode.

4.7.2 Rulesandpatterns

Patternsandlinesare easeto do.

Print shops call lines of any thicknessrules. A printed line in fact is a

rectangularareawithone“skinny”dimension,fromonetomanydotsthick.

Wewillusethe word“rules”too,to avoidconfusionwiththelinesusedto

measurepages.

You followthesethreestepswhenyouuse ruleandpatterngraphics:

1) Definethedimensionsyouneed.

2) Choosethe graphicspatternyou wantto fill in thosedimen-

sions.

3) Printthepattern.

Rememberto sendthe followingruleorpatterncommandsin

thatorder.

4.7.3 Definingrule orpattern dimensions

Definingthedimensionsoftheareayouwanttofilljustmeansindicatingthe

horizontalandverticalsizeofthepattcm,ortherule’slengthandthickness.

Youcanindicatedimensionsin eitherdotsordecipoints(tenthsofapoint).

At300dotsor720decipointstotheinch,decipointmeasurementsaremore

accurate.The printer convertsdecipointvalues into dots, using 2.4 de-

cipointsto the dot. It roundsup fractionsto the next integer. So 1225

decipointswouldworkoutto510.4dots,andthepnnterroundsthisupto511

dots.

Yourdimensioncommandsspecifyan areatotherightanddownfromthe

currentprintposition.If youdefineanarealargerthanthepage,yourprinter

willacceptthecommand.It will,however,cutoff yourpatternorruleatthe

boundariesof the page’sprintablearea.