Canon BJC-S9000 User Manual page 132

White Streaks
■ Print the nozzle check pattern to check the ink output.
If a specific color does not print in the nozzle check pattern, clean the printhead.
The problem can also be resolved by aligning the printhead. For details on printhead
alignment, refer to
➡
Printing the Nozzle Check Pattern
➡
Printhead Cleaning
"Straight Lines are Misaligned".
Print Quality is Poor or Contains Errors
Troubleshooting
132