Basic Printer Troubleshooting

Basic troubleshooting when printing and the printer does not work: start by restarting the printer and computer, check the connection cables/Wi-Fi, check if the paper or ink is out or jammed. If it still does not print, clear the print queue, update the driver, or use the Windows Troubleshooter tool.

Detailed steps to troubleshoot a printer that is not working:

1. Check the initial status:
   • Restart: Turn off and on the printer and computer again
   • Power cable/connection: Check the power plug and USB cable are secure, or if using Wi-Fi, check the signal status light
   • Paper and ink: Check for paper jams or if the ink is out
   • Warning lights: Check the status lights on the printer to see if any error lights are blinking
2. Clear the stuck print queue (Clear Print Queue/Spooler):
   • Printing problems often occur because jobs are stuck in the queue. Go to Control Panel > Devices and Printers, right-click the printer, select "See what's printing," then cancel all jobs
   • If unable to delete, search for services.msc in Windows > find the "Print Spooler" service > right-click and select Stop, then go to the folder C:\WINDOWS\system32\spool\PRINTERS and delete all files inside, then return to start the "Print Spooler" service again
3. Set the printer to Online:
   • If the printer status is "Offline," right-click the printer in Devices and Printers and uncheck the "Use Printer Offline" option
4. Check and reinstall the driver (Reinstall Driver):
   • The driver may have issues. Uninstall the old driver, then download the latest driver version from the manufacturer's website (HP, Epson, Canon) and install it again
5. Use Windows Troubleshooter:
   • Go to Settings > Update & Security > Troubleshoot > Additional troubleshooters > select Printer and click Run the troubleshooter to let Windows detect and fix problems automatically
6. Clean the print head (for inkjet printers):
   • If the printer works normally but the ink does not print or prints unclearly, perform a print head cleaning using the printer’s software

If after following the above steps the printer still does not work, the problem may be hardware-related, such as a faulty printer motherboard. It is recommended to have a technician inspect it.