Troubleshooting
Frequently Asked Questions
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Cannot Find Machine on Network
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Cannot Find Machine on Wireless LAN
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Paper Is Blank/Printing Is Blurry/Colors Are Wrong/White Streaks Appear
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Print Results Are Unsatisfactory
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Examples of Problems
Machine Does Not Move
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Machine Suddenly Cannot Be Used
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• Scanning Problems (Mac OS)
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Cannot Print/Scan from Smartphone/Tablet
Cannot Set Correctly
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Cannot Find Machine on Check Printer Settings Screen
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Message Appears on Computer During Setup
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Cannot Find Machine on Wireless LAN
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Cannot Communicate with Machine via USB
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Machine Cannot Be Used After Replacing Wireless Router or Changing Its Settings
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Administrator Password Set for Machine Unknown
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Easy-WebPrint EX Does Not Start or Easy-WebPrint EX Menu Does Not Appear (Windows)
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Updating MP Drivers in Network Environment (Windows)
Print/Scan Results Are Unsatisfactory
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Print Results Are Unsatisfactory
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Summary of Contents for Pixma MG6821
Page 27: ...Using the Machine Printing Photos from a Computer Copying Originals Printing Photos 27...
Page 160: ...Loading Paper Loading Plain Paper Photo Paper Loading Envelopes 160...
Page 183: ...Replacing Ink Replacing Ink Checking Ink Status 183...
Page 189: ...When an ink tank is out of ink replace it immediately with a new one Ink Tips 189...
Page 226: ...Safety Safety Precautions Regulatory Information 226...
Page 231: ...Main Components and Their Use Main Components Power Supply Using the Operation Panel 231...
Page 232: ...Main Components Front View Rear View Inside View Operation Panel 232...
Page 256: ...Note The effects of the quiet mode may be less depending on the print quality settings 256...
Page 272: ...Language selection Changes the language for the messages and menus on the touch screen 272...
Page 283: ...Network Connection Network Connection Tips 283...
Page 331: ...5 Delete Deletes the selected IP address from the list 331...
Page 379: ...Printing Area Printing Area Other Sizes than Letter Legal Envelopes Letter Legal Envelopes 379...
Page 410: ...Note Selecting Scaled changes the printable area of the document 410...
Page 421: ...Related Topic Changing the Printer Operation Mode 421...
Page 443: ...Adjusting Color Balance Adjusting Brightness Adjusting Intensity Adjusting Contrast 443...
Page 449: ...Adjusting Intensity Adjusting Contrast 449...
Page 529: ...Printing Using Canon Application Software My Image Garden Guide Easy PhotoPrint Guide 529...
Page 707: ...707...
Page 725: ...725...
Page 764: ...Adjusting Cropping Frames ScanGear 764...
Page 792: ...Scanning starts then the scanned image appears in the application 792...
Page 799: ...Scanning Tips Resolution Data Formats Color Matching 799...
Page 837: ...If icon is displayed Go to check 4 Cannot Find Machine During Wireless LAN Setup Check 4 837...
Page 990: ...1660 Cause A ink tank is not installed What to Do Install the ink tank 990...