645 Push lock lever down towards rear.Insert PaperAdjust left guide for paper size. Insert a stack of paper. (max. 100 sheets, 20 lb.) Adjust the right guide gently against the paper. Make sure power is off.Install TonerConnect to Your ComputerConnecting to a USB PortFor Windows 98/2000 and Macintosh Computers with a USBport. Requires USB cable.1 Connect the USB cable to the computer’s USB port.2 Connect the other end of the USB cable to the printer’s USBport.3 Go to Step 7, Install the Printer Software.Connecting to a Parallel PortRequires IEEE 1284-compliant bi-directional parallel cable.1 Make sure the computer and printer are turned off.2 Connect the parallel cable to the computer’s parallel port.Secure the screws.3 Connect the other end of the cable to the printer’s parallelport. Secure it with the wire clips.4 Go to Step 7, Install the Printer Software.Plug the power cord into the printer and into agrounded electrical outlet.With label up, place left sideunder tab Ê, lower into thetoner well. Close the cover.Unwrap toner cartridge. Shakeside to side to distribute toner.Lift out toner well cover and discard.ÊPulling firmly, removetape from bottom.