User guide

2
Physical Page Characteristics of the LA75
Plus Companion Printer
This chapter explains how the LA75 Plus Companion Printer handles the
transfer of the logical page in memory to the physical paper. Topics include:
• Paper handling, Section 2.1
• Response to a Form Feed request, Section 2.2
• Horizontal text resolution, Section 2.3
• Vertical text resolution, Section 2.4
• Limits on partial line motion, Section 2.5
• Tab support, Section 2.6
• Automatic sheet feeder control, Section 2.7
In this chapter the top of form paper position is defined as the position of line
1 on the page. This position does not change with the top margin setting.
The form length is defined by the setup feature or by the Set Lines Per Page
(DECSLPP) command.
2.1 Paper Handling
This section summarizes the paper feed modes and loading processes for the
LA75 Plus Companion Printer.
Fanfold Paper — Rear Feed/Top or Rear Output (Push Tractor Mode)
Paper is considered autoloaded when the printer loads it automatically at
power-up or when the user presses the Form Feed (FF) button.
Paper is considered manually loaded when the user inserts it using the platen
knob.
The LA75 Plus Companion Printer can detect the top of the first form only.
Physical Page Characteristics of the LA75 Plus Companion Printer 2–1