Canon Pixma MP560 Service Manual page 56

2) Easy-Scroll Wheel check
2-1) Press the OK button, then rotate the Easy-Scroll Wheel clockwise step by step. The LCD is divided
into 6 segments, representing each step. The color of a segment corresponding to the step changes
from red to green. If the wheel is rotated counterclockwise before clockwise round completes, the
color of segment(s) corresponding to the number of steps the wheel is rotated counterclockwise
returns to red. If the wheel keeps rotated clockwise over 1 round (6 steps), the color of segment(s)
corresponding to the extra number of steps returns to red, starting with the "Start" segment in the
figure below.
2-2) When the Easy-Scroll Wheel is rotated clockwise 1 round (6 steps), press the OK button.
2-3) Rotate the Easy-Scroll Wheel counterclockwise step by step. The LCD is divided into 6 segments,
representing each step. The color of a segment corresponding to the step changes from green to blue.
If the wheel is rotated clockwise before counterclockwise round completes, the color of segment(s)
corresponding to the number of steps the wheel is rotated clockwise returns to green. If the wheel
keeps rotated counterclockwise over 1 round (6 steps), the color of segment(s) corresponding to the
extra number of steps returns to green, starting with the "Start" segment in the figure below.
2-4) When the Easy-Scroll Wheel is rotated counterclockwise 1 round (6steps, and all the segments are
in blue), press the OK button. The color pattern is displayed on the LCD. If there is any segment that
is not in blue when the OK button is pressed, the display remains unchanged.
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