Step 1: go to “Setting” and then “Printer”. Then “Printers”, right click on the Xerox WorkCentre 7845 and then select “Use Printer Online”. If it does not work, then go to step 2.
Step 2: double click on the printer, go to the “Printer Menu” and select “Cancel All Documents”. There may be document that stuck the printing process and makes the printer go offline. Set the printer back online and do a test printing. If this does not work, then you should go to step 3.
Step 3: turn your Xerox WorkCentre 7845 off and then turn it on and check to see if this works or not. If not, go to step 4.
Step 4: with the help of your user’s manual, find how to use the onboard menu of the Xerox WorkCentre 7845 from the printer which is able to work independently of the computer. You can use the menu to see if you it can work. If not, you may try to re-initiate it. You may try to turn it off and then turn it on, which is helpful for many printers.
Step 5: then you can try to restart your computer to see if it works. If not, you may try to reinstall the driver. Visit the website of your printer’s manufacturer and download the latest version. Or you can just go to “Setting”, then “Printers” and select it. Right click it and choose “Properties”, look for the driver button in “General” or “Details Tab” and select it and choose the driver again. If even this can not solve the problem, then you should try to reinstall your printer.
Step 6: delete the Xerox WorkCentre 7845 and reinstall it through the “Add printer” wizard. Remember to use the latest printer driver.