Maintenance Procedure - Canon MX720 Series Online Manual
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Also See for MX720 Series:
- Online manual (248 pages) ,
- Setup manual (31 pages) ,
- Setup (3 pages)
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Maintenance Procedure
If print results are blurred or colors are not printed correctly, the print head nozzle is probably clogged.
Follow the procedure below to print the nozzle check pattern, check the print head nozzle condition, then
clean the print head.
If printed ruled lines are misaligned or print results are otherwise unsatisfactory, aligning the print head may
improve print quality.
Important
Do not rinse or wipe the print head and ink tank. This can cause trouble with the print head and ink
tank.
Note
Before performing maintenance
Make sure that the orange protective tape does not remain on the ink tank.
Open the ink cover and make sure that the lamp on the ink tank is lit red. If the lamp is flashing or off,
take appropriate action.
Checking the Ink Status with the Ink Lamps
Increasing the print quality in the printer driver settings may improve the print result.
Changing the Print Quality and Correcting Image Data
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
Pattern
Examine the nozzle check pattern.
Examining the Nozzle Check Pattern
If there are missing lines or horizontal white streaks
Step 2
Clean the print head.
From the machine
Cleaning the Print Head
From the computer
Cleaning the Print Heads from Your
Computer
in the pattern:
After cleaning the print head,
print and examine the nozzle
check pattern.
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