
When the Print Results Are Blurred or Uneven:
Step 1
Print the nozzle check pattern.
From the machine
Printing the Nozzle Check Pattern
From the computer
Use Your Computer to Print a Nozzle Check
Examine the nozzle check pattern.
Examining the Nozzle Check Pattern
After cleaning the print head,
print and examine the nozzle
check pattern.
If there are missing lines or horizontal white
streaks in the pattern:
Step 2
Clean the print head.
From the machine
From the computer
Cleaning the Print Heads from Your
If the problem is not resolved after cleaning the
print head twice:
Step 3
Clean the print head deeply.
From the machine
Cleaning the Print Head Deeply
From the computer
Cleaning the Print Heads from Your
Note
When you have performed the procedure until step 3 and the problem has not been
resolved, turn off the power and clean the print head deeply again after 24 hours.
If the problem is still not resolved, the print head may be damaged. Contact the service
center.
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Summary of Contents for mg6400 series
Page 69: ...69 ...
Page 89: ...Safety Guide Safety Precautions Regulatory and Safety Information 89 ...
Page 96: ...Main Components Front View Rear View Inside View Operation Panel 96 ...
Page 111: ...111 ...
Page 112: ...Loading Paper Originals Loading Paper Loading Originals Inserting the Memory Card 112 ...
Page 150: ...Do not insert more than one memory card at a time 150 ...
Page 152: ...Replacing an Ink Tank Replacing an Ink Tank Checking the Ink Status 152 ...
Page 220: ...Language selection Changes the language for messages and menus on the LCD 220 ...
Page 231: ...Information about Network Connection Useful Information about Network Connection 231 ...
Page 278: ...5 Delete Deletes the selected IP address from the list 278 ...