TroubleshootingXerox ® WorkCentre® 7800/7800i Series Color Multifunction Printer 289User GuideIsolating the Problem to the Printer or to the ApplicationWhen you are sure that the paper is supported and in good condition, use the following steps to isolatethe problem:1. From the control panel of the printer, print the pages for Diagnosing Print Quality. For details, seePrinting the Troubleshooting Print Quality Pages on page 288.− If the pages printed properly, the printer is working properly and the print-quality problem is anapplication, print driver, or print server problem.− If the pages still have print-quality problems, the problem is in the printer.2. If the pages printed properly, see Troubleshooting Print-Quality Problems in the Application, PrintDriver, or Print Server on page 289.3. If the pages still had print-quality issues, or did not print, see Troubleshooting Print-Quality Problemsin the Printer on page 290.Troubleshooting Print-Quality Problems in the Application, Print Driver, or PrintServerIf the printer is printing properly from the control panel but you still have print-quality problems, theapplication, print driver, or print server could be the cause.To isolate the problem:1. Print a similar document from another application and look for the same print-quality problems.− If the document still has the same print-quality problems, it is probably a print driver or printserver problem. If the problem persists, go to step 2.− If the document printed without print-quality problems, the application is probably the cause.Restart your printer, restart the application, and print the document again. If the problempersists, go to step 5. For details, see Restarting the Printer on page 239.2. Check the print driver used for the print job.a. Navigate to the list of printers on your computer:• For Windows XP SP1 and later, click Start > Settings > Printers and Faxes.• For Windows Vista, click Start > Control Panel > Hardware and Sound > Printers.• For Windows Server 2003 and later, click Start > Settings > Printers.• For Windows 7, click Start > Devices and Printers.b. Right-click on the name of the printer.c. From the drop-down list, select Properties.• Ensure that the model name in the middle of the driver matches the model name of theprinter.• If the names do not match, install the proper print driver for the printer.
