Canon printer PIXMA MG5620 User Manual

Maintenance
When Printing Becomes Faint or Colors Are Incorrect
Performing Maintenance from a Computer
Cleaning the Machine
181 

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
182 

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.
Important
•
Do not rinse or wipe the print head and ink tank. This can cause trouble with the print head and ink
tank.
Note
•
Make sure that the orange protective tape does not remain on the ink tank.
•
Open the operation panel and make sure that the lamp on the ink tank is lit. If the lamp is flashing or...

Cleaning the Print Heads from Your Computer
After cleaning the print head, print and examine the nozzle check pattern: 
 Step1
If the problem is not resolved after performing from step 1 to step 3 twice:
Step4  Clean the print head deeply.
From the machine
Cleaning the Print Head Deeply
From the computer
Cleaning the Print Heads from Your Computer
Note
•
When you have performed the procedure until step 4 and the problem has not been resolved, turn off the power and clean the print head deeply again after...

Printing the Nozzle Check PatternPrint the nozzle check pattern to determine whether the ink ejects properly from the print head nozzle.
Note
•
If the remaining ink level is low, the nozzle check pattern will not be printed correctly. Replace the ink
tank  whose ink is low.
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 pushing the cassette back, the paper information...

The confirmation screen will appear.
4.
Select Yes, then press the  OK button.
The nozzle check pattern will be printed and two pattern confirmation screens will appear on the LCD.
5.
Examine the nozzle check pattern .
186 

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...

The screen will return to the Maintenance screen.
For (B) (lines are missing or horizontal white streaks are present) in the pattern (C) or pattern (D), or in both patterns:1.
The cleaning is required. Select  Also B, then press the  OK button.
The cleaning confirmation screen will appear.
2.
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...

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.
You need to prepare: a sheet of A4 or Letter-sized plain paper1.
Make sure that the power is turned on.
2.
Load a sheet of A4 or Letter-sized plain paper in the cassette. After pushing the cassette back, the paper...

The confirmation screen will appear.4.
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 1 minute.
The pattern print confirmation screen will appear.
5.
Select  Yes, then press the  OK button.
The nozzle check pattern will be printed.
5.
Examine the nozzle check pattern .
Note
•
If the problem is not resolved after cleaning the print head twice, clean the print...