Canon Pixma MG6821

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1200

Cause

Operation panel is open.

What to Do

Close the operation panel and wait for a while.

Do not close it while you are replacing an ink tank.

976

Main Page

Table of Contents2
Notes on Site Usage and Cookies18
Using this Online Manual20
Trademarks and Licenses21
Search Tips25
Using the Machine27
Printing Photos from a Computer28
Copying Originals34
Printing Photos38
Printer Functions42
Connect Wirelessly with Ease in "Direct Connection43
Print Photos Easily Using My Image Garden44
Download a Variety of Content Materials46
Print Items with Easy-Photoprint+ (Web Application)47
Available Connection Methods48
Direct Connection (Windows XP)50
Restrictions53
Easy Scan with the Auto Function55
Scan Originals Larger than the Platen56
Scan Multiple Originals at One Time57
Using PIXMA/MAXIFY Cloud Link58
Notice for Web Service Printing59
Using PIXMA/MAXIFY Cloud Link from Your Printer60
Before Using PIXMA/MAXIFY Cloud Link61
Registering Printer Information to PIXMA/MAXIFY Cloud Link63
Application Management65
Using PIXMA/MAXIFY Cloud Link70
Cloud Windows73
Cloud Troubleshooting76
Using PIXMA/MAXIFY Cloud Link from Your Smartphone, Tablet, or Computer77
Before Using Canon Inkjet Cloud Printing Center78
Requirements for Canon Inkjet Cloud Printing Center Operation79
Registering User Information to Canon Inkjet Cloud Printing Center80
Registering User Information to Canon Inkjet Cloud Printing Center (Color LCD Monitor)81
Registering User Information to Canon Inkjet Cloud Printing Center81
Monitor)88
Registering User Information to Canon Inkjet Cloud Printing Center (no LCD Monitor)96
Using Canon Inkjet Cloud Printing Center102
Canon Inkjet Cloud Printing Center Window106
Adding a Printer143
Adding a PIXMA/MAXIFY Cloud Link User145
Troubleshooting Canon Inkjet Cloud Printing Center150
Print Easily from a Smartphone or Tablet with Canon PRINT Inkjet/Selphy153
Printing with Windows RT154
Checking Printer Information155
Handling Paper, Originals, Ink Tanks, Memory Card, Etc159
Loading Paper160
Loading Plain Paper / Photo Paper161
Loading Envelopes166
Loading Originals171
Loading Originals on the Platen Glass172
How to Load Originals for each Function173
Originals You Can Load175
How to Detach / Attach the Document Cover176
Inserting the Memory Card177
Before Inserting the Memory Card178
Inserting the Memory Card180
Removing the Memory Card182
Replacing Ink183
Replacing Ink184
Checking Ink Status190
Checking the Ink Status with the Touch Screen on the Machine191
Checking the Ink Status with the Ink Lamps192
Maintenance194
If Printing Is Faint or Uneven195
Maintenance Procedure196
Printing the Nozzle Check Pattern198
Examining the Nozzle Check Pattern200
Cleaning the Print Head202
Cleaning the Print Head Deeply204
Aligning the Print Head206
Performing Maintenance Functions from Your Computer (Windows)209
Cleaning the Print Heads210
Aligning the Print Head212
Aligning the Print Head Position213
Printing a Nozzle Check Pattern216
Cleaning217
Cleaning the Exterior of the Machine218
Cleaning the Platen Glass and Document Cover219
Cleaning the Paper Feed Roller220
Cleaning the Inside of the Machine (Bottom Plate Cleaning)222
Overview224
Safety226
Safety Precautions227
Regulatory Information228
Main Components and Their Use231
Main Components232
Front View233
Rear View235
Inside View236
Operation Panel237
Power Supply238
Confirming that the Power Is on239
Turning the Machine on and off240
Notice for the Power Plug/Power Cord242
Notice for Unplugging the Power Cord243
Using the Operation Panel244
Changing Settings248
Changing Printer Settings from Your Computer (Windows)249
Changing the Print Options250
Registering a Frequently Used Printing Profile251
Managing the Printer Power253
Reducing the Printer Noise255
Changing the Printer Operation Mode257
Changing Settings from Operation Panel259
Changing Settings from Operation Panel260
Print Settings262
LAN Settings263
Device User Settings268
Pictbridge Print Settings270
Language Selection272
Home Screen Background Color273
Firmware Update274
Cassette Settings275
Reset Setting276
ECO Settings277
Quiet Setting279
Setting up Card Slot as Memory Card Drive of Computer280
Setting up Card Slot as Memory Card Drive of Computer281
Network Connection283
Network Connection Tips284
Default Network Settings285
Another Printer Found with same Name286
Connecting to Another Computer Via Lan/Changing from USB to LAN Connection287
Printing Network Settings288
Network Communication (Windows)291
Checking and Changing Network Settings292
IJ Network Tool293
Changing Settings in Wireless LAN Sheet294
Changing WEP Detailed Settings296
Changing WPA/WPA2 Detailed Settings298
Changing Settings in Wired LAN Sheet301
Changing Settings in Admin Password Sheet302
Monitoring Wireless Network Status303
Changing Settings in Direct Connection306
Initializing Network Settings308
Viewing Modified Settings309
IJ Network Tool (Network Connection)310
Canon IJ Network Tool Screen311
Configuration Screen315
Wireless LAN Sheet316
Search Screen318
WEP Details Screen320
WPA/WPA2 Details Screen321
Authentication Type Confirmation Screen322
Psk:passphrase and Dynamic Encryption Setup Screen323
Setup Information Confirmation Screen324
Wired LAN Sheet325
Admin Password Sheet326
Network Information Screen327
Access Control Sheet328
Edit Accessible MAC Address Screen/Add Accessible MAC Address Screen332
Edit Accessible IP Address Screen/Add Accessible IP Address Screen333
IJ Network Tool (Other Screens)334
Canon IJ Network Tool Screen335
Status Screen339
Connection Performance Measurement Screen340
Maintenance Screen342
Network Setup of the Card Slot Screen343
Associate Port Screen345
Network Information Screen346
Network Communication Tips347
Using Card Slot over Network348
When Printer Driver Is Not Associated with Port350
Technical Terms351
Restrictions358
Firewall359
Ensuring Optimal Printing Results360
Ink Tips361
Printing Tips362
Check Paper Settings before Printing363
Set Cassette Paper Information after Loading Paper364
Canceling a Print Job365
Keeping Print Quality High366
Transporting Your Printer367
Legal Restrictions on Scanning/Copying368
Specifications369
Information about Paper373
Media Types You Can Use374
Paper Load Limit376
Media Types You Cannot Use378
Printing Area379
Printing Area380
Other Sizes than Letter, Legal, Envelopes381
Letter, Legal382
Envelopes383
Administrator Password384
Authentication385
Where Serial Number Is Located386
List of Function for each Model387
Printing388
Printing from Computer389
Printing from Application Software (Windows Printer Driver)390
Printing with Easy Setup391
Paper Settings on the Printer Driver and the Printer (Media Type)394
Paper Settings on the Printer Driver and the Printer (Paper Size)396
Various Printing Methods397
Setting a Page Size and Orientation398
Setting the Number of Copies and Printing Order399
Setting the Stapling Margin401
Execute Borderless Printing403
Fit-To-Page Printing406
Scaled Printing408
Page Layout Printing411
Tiling/Poster Printing413
Booklet Printing416
Duplex Printing418
Stamp/Background Printing422
Registering a Stamp425
Registering Image Data to be Used as a Background428
Setting up Envelope Printing431
Printing on Postcards433
Displaying the Print Results before Printing435
Setting Paper Dimensions (Custom Size)436
Editing the Print Document or Reprinting from the Print History438
Changing the Print Quality and Correcting Image Data441
Setting the Print Quality Level (Custom)442
Printing a Color Document in Monochrome444
Specifying Color Correction445
Optimal Photo Printing of Image Data447
Adjusting Colors with the Printer Driver448
Printing with ICC Profiles450
Interpreting the ICC Profile453
Adjusting Color Balance454
Adjusting Color Balance Using Sample Patterns (Printer Driver)456
Adjusting Brightness460
Adjusting Intensity462
Adjusting Contrast464
Adjusting Intensity/Contrast Using Sample Patterns (Printer Driver)466
Overview of the Printer Driver470
Canon IJ Printer Driver471
How to Open the Printer Driver Setup Window472
Canon IJ Status Monitor473
Checking the Ink Status from Your Computer474
Canon IJ Preview475
Deleting the Undesired Print Job476
Instructions for Use (Printer Driver)477
Printer Driver Description479
Quick Setup Tab Description480
Main Tab Description486
Page Setup Tab Description492
Maintenance Tab Description504
Canon IJ Preview Description510
Canon IJ XPS Preview Description513
Canon IJ Status Monitor Description521
Updating the MP Drivers524
Obtaining the Latest MP Drivers525
Deleting the Unnecessary MP Drivers526
Before Installing the MP Drivers527
Installing the MP Drivers528
Printing Using Canon Application Software529
My Image Garden Guide530
Printing Using a Web Service531
Printing with Google Cloud Print533
Getting Google Account535
Registering Machine with Google Cloud Print536
Printing from Computer or Smartphone with Google Cloud Print538
Deleting Machine from Google Cloud Print542
Printing from an Airprint-Enabled Printer with Mac544
Printing from Smartphone/Tablet546
Printing Directly from Smartphone/Tablet547
Android Print548
Printing from an Airprint-Enabled Printer with Ios Device549
Using Machine with Direct Connection553
Printing Using a Web Service558
Printing Using Operation Panel562
Printing Photo Data563
Printing Photographs Saved on Memory Card564
Advanced Photo Menu569
Printing Photo with Trimming570
Setting Items for Photo Printing Using Operation Panel572
Using Useful Display Functions574
Printing Photo While Viewing Slide Show576
Printing Templates such as Lined or Graph Paper578
Printing Documents (PDF File) Saved on Memory Card581
Printing from Digital Camera585
Printing Photographs Directly from Pictbridge (Wireless LAN) Compliant Device586
Pictbridge (Wireless LAN) Print Settings588
Paper Settings590
Copying594
Making Copies595
Displaying Preview Screen598
Setting Items for Copying599
Reducing/Enlarging Copies602
Two-Sided Copying604
Special Copy Menu606
Copying Two Pages Onto Single Page607
Copying Four Pages Onto Single Page610
Copying Thick Originals such as Books613
Copying Without Borders614
Copying Photos615
Copying from Smartphone/Tablet617
Scanning618
Scanning from Computer (Windows)619
Using IJ Scan Utility620
What Is IJ Scan Utility (Scanner Software)621
Starting IJ Scan Utility623
Easy Scanning with Auto Scan624
Scanning Documents625
Scanning Photos626
Scanning with Favorite Settings627
Scanning Originals Larger than the Platen (Image Stitch)628
Adjusting Cropping Frames in the Image Stitch Window632
Scanning Multiple Originals at One Time633
Saving after Checking Scan Results636
Sending Scanned Images Via E-Mail639
Extracting Text from Scanned Images (OCR)642
IJ Scan Utility Screens645
IJ Scan Utility Main Screen646
Settings Dialog Box648
Save Settings Dialog Box698
Image Stitch Window701
Scanning Using Application Software (Scangear)705
What Is Scangear (Scanner Driver)706
Scanning with Advanced Settings Using Scangear (Scanner Driver)708
Starting Scangear (Scanner Driver)709
Scanning in Basic Mode710
Scanning in Advanced Mode713
Scanning Multiple Documents from the ADF (Auto Document Feeder) in Advanced Mode715
Scanning Multiple Documents at One Time with Scangear (Scanner Driver)717
Correcting Images and Adjusting Colors with Scangear (Scanner Driver)721
Correcting Images (Unsharp Mask, Reduce Dust and Scratches, Fading Correction, Etc.)722
Adjusting Colors Using a Color Pattern726
Adjusting Saturation and Color Balance728
Adjusting Brightness and Contrast730
Adjusting Histogram732
Adjusting Tone Curve736
Setting Threshold739
Scangear (Scanner Driver) Screens740
Basic Mode Tab741
Advanced Mode Tab748
Input Settings754
Output Settings757
Image Settings760
Color Adjustment Buttons765
Preferences Dialog Box768
Scanner Tab769
Preview Tab774
Scan Tab776
Color Settings Tab777
Positioning Originals (Scanning from Computer)779
Adjusting Cropping Frames (Scangear)782
General Notes (Scanner Driver)786
Other Scanning Methods788
Scanning with WIA Driver789
Scanning Using the Control Panel (Windows XP Only)793
IJ Network Scanner Selector EX Menu and Setting Screen795
Uninstalling IJ Network Scanner Selector EX798
Scanning Tips799
Resolution800
Data Formats802
Color Matching803
Positioning Originals (Scanning from Computer)804
Network Scan Settings806
Scanning from Computer (Mac OS)810
Scanning from Operation Panel811
Forwarding Scanned Data to Computer Using Operation Panel812
Attaching Scanned Data to E-Mail Using Operation Panel817
Setting Items for Scanning Using Operation Panel821
Setting up Operation Panel with IJ Scan Utility (Windows)823
Scanning Using Smartphone/Tablet827
Troubleshooting829
Network Communication Problems831
Cannot Find Machine on Network832
Cannot Find Machine on Check Printer Settings Screen833
Cannot Find Machine During Wireless LAN Setup: Check 1834
Cannot Find Machine During Wireless LAN Setup: Check 2835
Cannot Find Machine During Wireless LAN Setup: Check 3836
Cannot Find Machine During Wireless LAN Setup: Check 4838
Cannot Find Machine During Wireless LAN Setup: Check 5839
Cannot Find Machine During Wireless LAN Setup: Check 6840
Cannot Find Machine on Printers on Network List Screen841
Cannot Proceed Beyond Printer Connection Screen/Connect Cable Screen842
Cannot Find Machine on Wireless LAN844
Network Connection Problems847
Machine Suddenly Cannot be Used848
Network Key Unknown852
Administrator Password Set for Machine Unknown854
Machine Cannot be Used after Replacing Wireless Router or Changing Its Settings855
Printing Is Slow857
Ink Level Not Shown on Printer Status Monitor (Windows)858
Other Network Problems859
Message Appears on Computer During Setup860
Packets Are Sent Constantly (Windows)862
Checking Network Information863
Restoring to Factory Defaults866
Problems While Printing/Scanning from Smartphone/Tablet867
Cannot Print/Scan from Smartphone/Tablet868
Printing Problems871
Printing Does Not Start872
Paper Jams875
Print Results Are Unsatisfactory877
Cannot Complete Printing879
Part of Page Is Not Printed (Windows)880
Paper Is Blank/Printing Is Blurry/Colors Are Wrong/White Streaks Appear881
Lines Are Misaligned884
Lines Incomplete or Missing (Windows)885
Images Incomplete or Missing (Windows)886
Ink Blots / Paper Curl887
Paper Is Smudged / Printed Surface Is Scratched888
Back of Paper Is Smudged892
Vertical Line Next to Image893
Uneven or Streaked Colors894
No Ink Comes out896
Paper Does Not Feed Properly/"No Paper" Error897
Automatic Duplex Printing Problems899
Copying/Printing Stops901
Cannot Print Using Airprint902
Scanning Problems (Windows)903
Scanning Problems904
Scanner Does Not Work905
Scangear (Scanner Driver) Does Not Start906
Error Message Appears and the Scangear (Scanner Driver) Screen Does Not Appear907
Cannot Scan Multiple Originals at One Time908
Cannot Scan Properly with Auto Scan909
Slow Scanning Speed910
There Is Not Enough Memory." Message Is Displayed911
Computer Stops Operating During Scanning912
Scanner Does Not Work after Upgrading Windows913
Scanned Image Does Not Open915
Scan Results Are Unsatisfactory916
Scan Quality (Image Displayed on the Monitor) Is Poor917
Scanned Image Is Surrounded by Extra White Areas919
Cannot Scan at the Correct Size920
Panel921
Original Is Placed Correctly, but the Scanned Image Is Slanted922
Scanned Image Is Enlarged (Reduced) on the Computer Monitor923
Software Problems924
IJ Scan Utility Error Messages926
Scangear (Scanner Driver) Error Messages928
Mechanical Problems931
Power Does Not Come on932
Power Shuts off by Itself933
USB Connection Problems934
Cannot Communicate with Machine Via USB935
Display on Touch Screen Is off936
Touch Screen Shows Wrong Language937
Cannot Remove Memory Card938
Print Head Holder Does Not Move to Replacement Position939
Printer Status Monitor Not Displayed (Windows)940
Installation and Download Problems941
Cannot Install MP Drivers942
Easy-Webprint EX Does Not Start or Easy-Webprint EX Menu Does Not Appear (Windows)944
Updating MP Drivers in Network Environment (Windows)945
Uninstalling IJ Network Tool946
Errors and Messages948
An Error Occurs949
Message Appears951
Error Message Appears on Pictbridge (Wireless LAN) Compliant Device959
If You Cannot Solve a Problem961
List of Support Code for Error962
List of Support Code for Error (Paper Jams)964
Paper Is Jammed Inside Machine971
Other Cases974

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