Canon Maxify Mb2020 User Guide

Maintenance
When Printing Becomes Faint or Colors Are Incorrect
Performing Maintenance from a Computer
Cleaning the Machine
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When Printing Becomes Faint or Colors Are Incorrect
Maintenance Procedure
Printing the Nozzle Check Pattern
Examining the Nozzle Check Pattern
Cleaning the Print Head
Cleaning the Print Head Deeply
Aligning the Print Head
Aligning the Print Head Manually
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Maintenance ProcedureIf print results are blurred, colors are not printed correctly, or print results are unsatisfactory (e.g. misalignedprinted ruled lines), perform the maintenance procedure below.
Note
•
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:
Step1  Print the nozzle check pattern.
From the machine
Printing the Nozzle Check Pattern
From the computer
Use...

If the problem is still not resolved, the print head may be damaged. Contact the service center.
When the Print Results Are Not Even such as the Ruled Lines Are Misaligned:
Step  Align the print head.
From the machine
Aligning the Print Head
From the computer
Aligning the Print Head Position from Your Computer
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Printing the Nozzle Check PatternPrint the nozzle check pattern to determine whether the ink ejects properly from the print head nozzle.
Note
•
When the ink has run out during printing the nozzle check pattern, the error message will appear on theLCD.
A Message Is Displayed
You need to prepare: a sheet of A4 or Letter-sized plain paper
1.
Make sure that the power is turned on.
2.
Load a sheet of A4 or Letter-sized plain paper in the cassette. After inserting the cassette into the machine, the paper...

The confirmation screen will appear.
7.
Select Yes, then press the  OK button.
The nozzle check pattern will be printed and two pattern confirmation screens will appear on the LCD.
8.
Examine the nozzle check pattern .
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Examining the Nozzle Check PatternExamine the nozzle check pattern, and clean the print head if necessary.1.
Check if there are missing lines in the pattern C or horizontal white streaks in the pattern D.
A: No missing lines/No horizontal white streaks
B: Lines are missing/Horizontal white streaks are present E: Number of sheets printed so far
2.
Select the pattern that is closer to the printed nozzle check pattern on the confirmation
screen.
 
For A (no missing lines or no horizontal white streaks) in...

For B (lines are missing or horizontal white streaks are present) in the pattern C or pattern D, orin both patterns:
The cleaning is required. Select  Also B, then press the  OK button.
The cleaning confirmation screen appears.
Select  Yes, then press the  OK button.
The machine starts cleaning the print head.
Cleaning the Print Head
Note
•
The total number of sheets printed so far is shown in increments of 50 sheets on the printout of the nozzle check pattern.
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Cleaning the Print HeadClean the print head if lines are missing or if horizontal white streaks are present in the printed nozzle checkpattern. Cleaning unclogs the nozzles and restores the print head condition. Cleaning the print head
consumes ink, so clean the print head only when necessary.
Note
•
You can also clean the print head using the computer. When using the computer, select the ink group to clean, then start cleaning.
Cleaning the Print Heads from Your Computer
•
When cleaning the print head...

The confirmation screen will appear.
7.
Select Yes, then press the  OK button.
The machine starts cleaning the print head.
Do not perform any other operations until the machine completes the cleaning of the print head. This takes about 2 minutes.
The pattern print confirmation screen will appear.
8.
Select  Yes, then press the  OK button.
The nozzle check pattern will be printed.
9.
Examine the nozzle check pattern .
Note
•
If the problem is not resolved after cleaning the print head twice, clean the...