How to Enable Bidirectional Communication on a Dell Printer

Log on to your computer, and click the 'Start' button. Choose 'Control Panel' from the list.
Double-click the 'Printers and Faxes' icon, and select your Dell printer from the list. Right-click the Dell printer, and choose 'Properties.'
Click 'Ports,' and check the box titled 'Enable Bidirectional Support.' Click 'OK' to confirm your setting.