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Canon PIXMA MX850 Quick Start Guide - Page 120

Examining the Nozzle Check Pattern

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Examining the Nozzle Check Pattern Examine the nozzle check pattern, and perform cleaning if necessary. Note If the ink level is low, the nozzle check pattern is not printed correctly. Replace the relevant ink tank. See "Replacing an Ink Tank" on page 107. 1 Check the nozzle check pattern you printed. (1) (2) (1) Check if lines in this pattern are missing. (A) (B) (A) Good (B) Lines are missing (2) Check if there are white streaks in this pattern. (A) (B) (A) Good (B) White streaks present 2 The confirmation screens for white streaks and missing lines are displayed alternately. Select the pattern that is closer to the nozzle check pattern that you printed. 116 Routine Maintenance

Section	Page
Introduction	6
Safety Precautions	7
Before Using the Machine	10
Included Items	10
Operation Panel	10
How to Navigate Menus on the LCD	13
Turning the Machine On and Off	18
Handling the Original Document	20
Loading Printing Paper	24
Copying	39
Making Copies	39
Setting Items	40
Using Useful Copy Functions	42
Printing from a Memory Card	43
Memory Cards Supported by This Machine	43
Printable Image Data	44
Inserting the Memory Card	44
Removing the Memory Card	46
Printing the Photo Displayed on the LCD (Display photo)	46
Using Useful Printing Functions	47
Setting Items	48
Printing by Using the Photo Index Sheet	50
Printing from Your Computer	51
Printing with Windows	51
Printing with Macintosh	52
Scanning Images	53
Scanning Methods	53
Printing Photographs Directly from a PictBridge Compliant Device	55
Printing Photographs Directly from a PictBridge Compliant Device	55
About PictBridge Print Settings	57
Faxing	61
Preparing the Machine for Fax	61
Registering Sender Information	66
Registering Recipients for the Speed Dial	75
Sending Faxes	84
Using Useful Sending Functions	92
Receiving Faxes	94
Using Useful Receiving Functions	102
Document Stored in Memory	103
Summary of Reports and Lists	107
Routine Maintenance	111
Replacing an Ink Tank	111
Keeping the Best Printing Results	117
When Printing Becomes Faint or Colors Are Incorrect	118
Printing the Nozzle Check Pattern	119
Examining the Nozzle Check Pattern	120
Print Head Cleaning	121
Print Head Deep Cleaning	122
Aligning the Print Head	123
Cleaning Your Machine	129
Troubleshooting	135
An Error Message Is Displayed on the LCD	137
LCD Cannot Be Seen At All	142
An Unintended Language Is Displayed on the LCD	142
Cannot Install the MP Drivers	143
Cannot Connect to Computer Properly	144
Print Results Not Satisfactory	145
The Print Result Not Satisfactory When Copying	148
Printing Does Not Start	149
Machine Moves But Ink Is Not Ejected	150
Paper Does Not Feed Properly	150
Paper Does Not Feed from the Paper Source Specified in the Printer Driver	151
Paper Jams	152
Document Jams in the ADF	156
Message Appears on the Computer Screen	160
Error Message Appears on a PictBridge Compliant Device	163
Cannot Print Properly through Bluetooth Communication	164
Cannot Print Properly from a Photo Index Sheet	165
Cannot Remove a Memory Card	165
Scanning Problems	165
Problems Receiving Faxes	166
Problems Sending Faxes	169
Telephone Problems	170
Appendix	171
How to Use the Documentation Provided	171
Reading the On-screen Manuals	172
Solution Menu (Windows only)	173
My Printer (Windows only)	173
Specifications	174
Legal Limitations on Use of Your Product and Use of Images	178
Users in the U.S.A.	179
Users in Canada	184
Users in New Zealand	185