Canon PIXMA MP510 Quick Start Guide - Page 53

5 Adjust the print head position. (1) For each row in the Print Head Alignment Sheet (A, B, C, etc.), select the pattern that has the least noticeable streaks, and fill in the corresponding circle ( ) with a dark pencil (1) or a black ink pen. (2) Load the Print Head Alignment Sheet on the Platen Glass. Place the marked side down and align the upper left corner of the sheet with the arrow mark (alignment mark) at the upper left corner of the Platen Glass. (3) Press the OK button. The Print Head Alignment Sheet is scanned and the print head is aligned automatically. Note z If adjustment was not done successfully, the "Failed to scan head alignment sheet." error message is displayed on the LCD. For details, see "Error Message Is Displayed on the LCD" on page 57. z If the results of Automatic Print Head Alignment are not satisfactory, perform Manual Print Head Alignment. For details, see "Manual Print Head Alignment" on page 49. „ Manual Print Head Alignment If the results of Automatic Print Head Alignment are not satisfactory, follow the procedure below to perform Manual Print Head Alignment. For details on performing Automatic Print Head Alignment, see "Automatic Print Head Alignment" on page 48. 1 Make sure that the machine is turned on, open the Front Feeder, and extend the Output Paper Support. 2 Load two sheets of A4 or Letter-sized plain paper in the Auto Sheet Feeder. Set the Paper Thickness Lever to the left. Important You cannot print the print head alignment pattern if paper of size other than A4 or Letter is loaded. Be sure to use A4 or Letter-sized plain paper. 3 Press the Paper Feed Switch to select the paper source where you have loaded paper. Routine Maintenance 49