Booleans: 

cpix

Changing character pitch changes resolution 

daisy

Printer requires an operator to change character set 

lpix

Changing line pitch changes resolution 

Numbers: 

bufsx

Number of bytes buffered before printing 

cols

Number of columns in a line 

cps

Average print rate in characters per second 

it

Tabs initially every n spaces

lines

Number of lines on a page 

orc

Horizontal resolution, in units per character 

orhi

Horizontal resolution, in units per inch 

orl

Vertical resolution, in units per line 

orvi

Vertical resolution, in units per inch 

Strings: 

chr

Changes horizontal resolution 

cpi

Changes number of characters per inch 

cr

Carriage return 

csnm

List of character set names 

cudl

Moves carriage down one line 

cud

Moves carriage down n lines

cuf

Moves carriage to the right n columns

cvr

Changes vertical resolution 

ff

Ejects page 

hpa

Horizontal position absolute 

ht

Tabs to next 8-space tab stop 

if

Is the name of initialization file 

iprog

Is the path name of initialization program 

is1

Is a printer initialization string 

is2

Is a printer initialization string 

is3

Is a printer initialization string 

lpi

Changes number of lines per inch 

mgc

Clears all margins (top, bottom, and sides) 

rep

Repeats a character n times

rwidm

Disables double-wide printing 

scs

Selects character set 

scsd

Starts definition of a character set 

slines

Set page length to n lines per page

smgl

Sets left margin at current column 

smglp

Set left margin 

smgr

Sets right margin at current column 

smgrp

Sets right margin 

smglr

Sets both left and right margins 

msgt

Sets top margin at current line 

smgtp

Sets top margin 

smgb

Sets bottom margin at current line 

smgbp

Sets bottom margin 

smgtb

Sets both top and bottom margins 

swidm

Enables double-wide printing 

vpa

Sets vertical position to absolute