Canon PIXMA iP8500 Series Quick Start Manual page 62

Printing Maintenance
(5) When the confirmation message is displayed, click OK.
Print Head Deep Cleaning starts when the POWER lamp starts blinking.
4
Print the nozzle check pattern to check the Print Head condition.
See "Printing the Nozzle Check Pattern"
If a particular color is not printed properly, replace the ink tank of that color. See
"Replacing an Ink Tank"
58
Clicking Initial Check Items displays the items to be checked before
cleaning.
Do not perform any other operation until the Print Head Deep
Cleaning finishes. This takes about 90 seconds.
on page 42.
If the print head nozzles are still not clean, open the Top Cover and
ensure that there are sufficient ink levels in all ink tanks and turn off
the printer. Be sure to perform another Print Head Deep Cleaning 24
hours after turning off the printer.
If this does not solve the problem, the Print Head may be worn out.
Contact the Customer Care Center.
(3) Select Ink Group to clean.
All colors:
Selecting both ink groups.
Group 1:
Green (BCI-6G), Red (BCI-6R), Photo
Magenta (BCI-6PM), Black (BCI-6BK)
and Photo Cyan (BCI-6PC).
Group 2:
Cyan (BCI-6C), Magenta (BCI-6M),
and Yellow (BCI-6Y).
(4) Click Execute.
on page 49.