TestingCommunicationQMS 1725E Print System Getting Started3-63 If the printer and PC are communicating, a blank page ejectsfrom the printer. Skip ahead to “PC Printing Software” to fin-ish connecting the printer.If a blank page doesn’t eject and you typed the file correctly, youmay want to check your AUTOEXEC.BAT file to see if LPT1 (theparallel port) is being directed to COM1 (the serial port):a If the AUTOEXEC.BAT file contains the linemode lpt1:=com1:delete it.b Then typemode lpt1:,,p↵The P tells the PC to continue sending print jobs until theprinter accepts them.c Reboot the PC and try the communication test again.See chapter 6, “Troubleshooting,” of theOperation guide andrefer to your DOS documentation for more information.Serial Communication1 To send the PRINTEST.PS file you just created to the printer,type:print printest.ps↵2 If you’re prompted for the name of the list device, type:com1↵or type the name of the PC’s serial port to which the printer isconnected (for example, com2 or com3).» Note: If the computer has more than one serial port, they're probablylabeled. If not, check the computer documentation for the COM portnames.3 If the printer and PC are communicating, a blank page ejectsfrom the printer. Skip ahead to “PC Printing Software” to fin-ish connecting the printer.