User's Guide — 105APPENDIX C — USING THE DESKTOPPRINTING MODEL (DT Printer: #44065)TABLE OF CONTENTS:Printer Keys ........................................................................... 105Connecting the AC Adapter...................................................... 108Using Battery Power ............................................................... 109Replacing the Paper Roll ......................................................... 110Replacing the Ink Roller........................................................... 112Notes on Using the Printer....................................................... 114NOTE: You must own model #44065 (Construction Master Pro DTPrinter) to use a printer. Model #44065 is almost identical (function-wise) to the Construction Master Pro DT/Desktop (#44060), except itincludes a built-in printer with a paper printout and has special Auto-Print features.Your Construction Master Pro DT Printer calculator comes with aprinter that you can switch on or off. See the instructions below.PRINTER KEYS[Off—On—Print] — Power SwitchSwitch that turns the printer and calculator on and off. This powerswitch is located in the upper left.• “Off” - Power Off: move switch to far left.• “On” - Power On, Printer Off: move switch tomiddle position.• “Print” - Print Mode (Calculator and Printer On):move switch to far right.