Canon W7250 - Manual (Page 104)

Maintenance
6
6-6
Important
z To prevent poor print quality, spilling ink and staining, never touch the ink ports
(b) or the terminal (c) of an ink tank.
7
With the ink ports pointing down and the label facing in the direction
shown in the illustration below, insert the ink tank into the ink tank
holder.
z Always make sure that the ink tank is set in the correct direction and that the color
of the tank matches the slot. If the wrong color is inserted in a slot, the ink will mix
incorrectly in the tubes and printhead, causing the printer to print the wrong colors.
8
Close the ink tank cover until you hear it catch.
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b c
Y