print

local printer = peripheral.find("printer")
if printer.getPaperLevel < 3 then
    printError("There is not enough paper to start a print job.")
    return -1
end

print("Now printing.")
local ready = printer.newPage()

if ready then
printer.setPageTitle("CompOS Manual v1.0")
printer.write("Welcome! This manual serves as a great reference on how to use CompOS.")
printer.endPage()
else if printer.getInkLevel() == 0 then
    printError("There is not enough ink to start a print job.")
    return -2
else
    printError("An unknown error has occurred. Please contact support.")
    return -3
end