Simple Printing Program (WIP)

--[[
Printer Program by
cptdeath58
--]]
local pSide = "left" -- change "left" to whatever side the printer is on.
local tCursor = "2"
function testSize()
local px , py = printer.getCursorPos()
local tx , ty = term.getCursorPos()
if px > 25 then
  write( "You must enter a max of 25 characters:" )
  write( px )
  printer.setCursorPos(1,py)
  printer.write("							   ")
  term.setCursorPos(1,ty + 1)
  printer.setCursorPos(1,py - 1)
elseif py > 21 then
  printer.newPage()
  printer.setCursorPos( 1,2 )
  setPrinter()
end
end
function setPrinter()
while true do
  term.clear()
  term.setCursorPos(1,1)
  term.write( "Please input Title: " )
  local title = read()
  if title == nil then
   term.setCursorPos(1,2)
   term.write( "You must enter a Title!" )
   sleep(1)
   setPrinter()
  else
   printer.newPage()
   printer.setPageTitle( title )
   break
  end
end
end
function testInk()
local ink = printer.getInkLevel()
if ink < 1 then
  repeat
   term.clear()
   sleep(1)
   term.setCursorPos( 1,1 )
   term.write( "Please Insert Ink!" )
   sleep(1)
   startPrinter()
  until ink > 1
end
end
function startPrinter()
printer = peripheral.wrap( pSide)
testInk()
setPrinter()
term.clear()
term.setCursorPos(1,1)
term.write( "Input the Text you want to print." )
term.setCursorPos(1,2)
term.write( "To start a new page, type 'new page'." )
term.setCursorPos(1,3)
term.write( "To end, enter 'quit'." )
term.setCursorPos( 1,4 )
term.write( "To Erase last line, type 'erase'." )
term.setCursorPos ( 1,5 )
printer.setCursorPos(1,2)
while true do
  local input = read()
  if input == "quit" then
   printer.endPage()
   term.clear()
   term.setCursorPos(5,1)
   write( "Thank you for using the Printer Program" )
   term.setCursorPos(15,2)
   write( "By cptdeath58" )
   term.setCursorPos(1,3)
   break
  elseif input == "new page" then
   printer.endPage()
   setPrinter()
  elseif input == "erase" then
   local px , py = printer.getCursorPos()
   printer.setCursorPos( 1,py - 1 )
   printer.write( "						 " )
   term.setCursorPos( 1,py + 2 )
  else
   local px , py = printer.getCursorPos()
   printer.setCursorPos( 1,py + 1)
   printer.write( input )
   testSize()
  end
end
end
startPrinter()