Canon PIXMA G3660, Online Manual

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If the problem is not resolved after performing from step 1 to step 3 twice:
Step4
Clean the print head deeply.
From the printer
Deep Print Head Cleaning
From the computer
• For Windows:
Cleaning the Print Heads
• For macOS:
Cleaning the Print Heads
After deep print head cleaning, print and examine the nozzle check pattern: Step1
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 24 hours.
If the problem is still not resolved, perform ink flush.
Ink flush consumes a great amount of ink. Frequent ink flush can rapidly consume ink, so perform ink flush
only when necessary.
Important
• If ink flush is performed when the remaining ink level is insufficient, it may cause a failure. Be sure to
check the remaining ink level before performing ink flush.
From the printer
How to Perform Ink Flush
From the computer
Ink Flush
If the nozzle check pattern is not printed correctly even after performing ink flush, see Check Installation of
Print Head.
When the Print Results Are Not Even such as the Ruled Lines Are
Misaligned:
Step
Align the print head.
From the printer
Aligning the Print Head
From the computer
• For Windows:
Adjusting Print Head Position Automatically
• For macOS:
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