My canon pixma 480 has thin horizontal lines. tried cleaning and deep cleaning where is the head alignment tool?

The instructions as copied from the Pixma 480 "onscreen manual." (Only the text -- not the images -- could be pasted into the solution. Hope you can follow the text.) Steve G.

Prepare 2 sheets of A4 or Letter-sized plain paper

1. Make sure that the power is turned on, and load 2 sheets of A4 or Letter-sized plain paper in the Rear Tray.

2. Open the Paper Output Tray gently, and open the Output Tray Extension.

3. Print the print head alignment pattern.
- Press the Menu button.
- Select Maintenance, and press the OK button.
- Select Print head alignment, and press the OK button.
Note: To print the current head position adjustment values, select Head alignment print in the Maintenance menu and press the OK button. See Selecting Menus on the Top Menu Screen.)
- Select Yes, and press the OK button to print alignment sheet.
- Check the pattern is printed correctly, select Yes and press OK button.
- Confirm the displayed message and press the OK button.

The Print head alignment screen appears.

4. Adjust the print head position.
- Check the printed patterns, and use the (Left) or (Right) button to select the number of the pattern that has the least noticeable streaks for column A.
Note: If it is difficult to select the best pattern, select the pattern that has the least noticeable white streaks.
(A) Less noticeable vertical white streaks
(B) Noticeable vertical white streaks
(C) Less noticeable horizontal white streaks
(D) Noticeable horizontal white streaks
- Repeat the same procedure to input the pattern number for each column from B to L, then press the OK button.
- Select Yes to continue printing, and press the OK button.
- The second page of print head alignment sheet will be printed.
- Confirm the message for print head alignment, and press the OK button.
- Check the printed patterns and use the (Left) or (Right) button to input the number of the pattern that has the least noticeable horizontal streaks for column M.
- Repeat the same procedure to input the pattern number for each column from N to R, and press the OK button.