Canon PIXMA MP250 - Manual (Page 551)

5. Check the results
To check whether the print quality has improved, click Print Check Pattern. To cancel the check
process, click Cancel.
Important
Cleaning consumes a small amount of ink. Deep Cleaning consumes a larger amount of ink than
Cleaning.
Cleaning the print heads frequently will rapidly deplete your printer's ink supply. Consequently,
perform cleaning only when necessary.
Note
If there is no sign of improvement after Deep Cleaning, switch off the machine, wait 24 hours, and
then perform Deep Cleaning again. If there is still no sign of improvement, refer to "
Machine Moves
But Ink Is Not Ejected ."
Related Topic
Checking the Print Head Nozzles
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Page 551 of 678 pages Cleaning the Print Heads