Canon PIXMA G4210 Online Manual page 90

After cleaning the print head, print and examine the nozzle check pattern:
If the problem is not resolved after performing from step 1 to step 3 twice:
Clean the print head deeply.
Step4
From the printer
Deep Print Head Cleaning
From the computer
• For Windows:
Deep Cleaning
• For macOS:
Deep Cleaning
After deep print head cleaning, print and examine the nozzle check pattern:
If the problem is not resolved after performing step 4, 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
Performing Ink Flush
From the computer
• For Windows:
Ink Flush
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:
Align the print head.
Step
From the printer
Aligning the Print Head
From the computer
• For Windows:
Adjusting Print Head Position
• For macOS:
90
Step1
Step1