TroubleshootingDocument Prints from Wrong TrayProbable Causes SolutionsApplication and print driver have conflictingtray selections.1. Check the tray selected in the print driver.2. Go to the page setup or printer settings of the application fromwhich you are printing.3. Set the paper source to match the tray selected in the print driveror set the paper source to Automatically Select.Note: To have the print driver select the tray, enable Auto Selectionfor the source tray on the printer.Printer is Making Unusual NoisesProbable Causes SolutionsOne of the trays is not installed correctly. Open and close the tray from which you are printing.There is an obstruction or debris inside theprinter.Turn off the printer and remove the obstruction or debris. If youcannot remove it, contact your Xerox ® service representative.Automatic 2-Sided Printing ProblemsProbable Causes SolutionsUnsupported or incorrect paper. Ensure that you are using the correct paper. Do not usetransparencies, envelopes, labels, or reloaded paper forautomatic 2-sided printing. For details, see Supported PaperSizes and Weights for Automatic 2-Sided Printing on page 53.Incorrect setting. On the print driver Printing Options tab, select 2-sided Printing.216 Xerox ® WorkCentre® 7970 Multifunction PrinterUser Guide