Canon PIXMA MG6821 User Manual - Page 829

Troubleshooting Frequently Asked Questions • Cannot Find Machine on Network • Cannot Find Machine on Wireless LAN • Printing Does Not Start • Paper Is Blank/Printing Is Blurry/Colors Are Wrong/White Streaks Appear • An Error Occurs • Print Results Are Unsatisfactory • Message Appears • Cannot Install MP Drivers • Network Key Unknown • Paper Jams Examples of Problems Machine Does Not Move • Power Does Not Come On • Power Shuts Off By Itself • Machine Suddenly Cannot Be Used • Printing Does Not Start • Paper Jams • Scanning Problems (Windows) • Scanning Problems (Mac OS) • Cannot Print/Scan from Smartphone/Tablet Cannot Set Correctly • Cannot Find Machine on Check Printer Settings Screen • Message Appears on Computer During Setup • Cannot Find Machine on Wireless LAN • USB Connection Problems • Cannot Communicate with Machine via USB • Network Key Unknown • Machine Cannot Be Used After Replacing Wireless Router or Changing Its Settings • Administrator Password Set for Machine Unknown • Checking Network Information • Restoring to Factory Defaults • Cannot Install MP Drivers • Easy-WebPrint EX Does Not Start or Easy-WebPrint EX Menu Does Not Appear (Windows) • Updating MP Drivers in Network Environment (Windows) Print/Scan Results Are Unsatisfactory • Printing Does Not Start • Printing Is Slow • Copying/Printing Stops • Print Results Are Unsatisfactory 829