Margins,columnsand lines
Youcanchangemarginsettingsforallfouredgesofapage.Theleftandright
sidemarginscanhavevaluesfmm Oto 132,definingthe margincolumns
betweenwhichwordsandimagescan be printed.Andthetop andbottom
marginscanbe set at anywherefromOto 112lines.
Text
Length
{
Portrait
, Top Margin ,
\
Bottom Margin
/
Landscape
Orientation Orientation
Themeaningof aline(sometimescalleda“row”)isdefinedby thevertical
motionindex(VMI).Theprintermovestheprintpositiondownalinewhen
it getsa LineFeedcode,usuallywhenit bumpsintotherightmargin.
You’llprobablylet yourcomputerprogramsetthelinedepth.Butfromthe
panelyou can setthe VMIvaluein incrementsfrom 1/48to 255/48of an
inch.
2.3.4 Movingtheprint position:a preview
Wh.hdot-matrixanddaisywheelprinters,youpickwheretoprintonthepage
eitherbymovingtheprintheadbackandforthorbymovingthepaperitself.
Laserpnntemdon’thaveprintheads,buttheprincipleremainsthesame:you
haveto sayexactlywhereonthepageeachpictureandstringoftextisto go,
so eachpagecanbe constructedin theprinter’smemory.
Insteadof talkingaboutpnntheadswetalkaboutmovingtheprintposition
(some people call it moving the “cursor,” using the computer-screen
analogy).Horizontally,youcanmovetheprintpositionwithbackspaceand
carriagereturncommands.Vertically,youcanmovetheprintpositiondown
thepagebyprintingsomanylinesperinch,orbysendingline-feedandhalf
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