Canon Bubble Jet Printer i450 - Page 12

6.2. Print Head Troubleshooting Flowchart (print head operation confirmation)
No
No
Yes
Yes
Yes
Yes
*Refer to 4. SERVICE MODE
*Refer to 4. SERVICE MODE
*Refer to 4. SERVICE MODE
Head refreshing
Nozzle check
Nozzle check
Nozzle check
Correct?
Correct?
Correct?
Correct?
No
Head refreshing
Nozzle check
Nozzle check pattern
No
Yes
Correct?
Connect to com
p
ute
r
Head cleanin
g
Replace ink tanks
No
Normal
Defective
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