Canon PIXMA MP830 User's Guide - Page 156

(2) Use [ ] or [ ] to select and then press [OK]. The confirmation screen is displayed. Note Select to print the current adjustment values. (2) (3) Load two sheets of A4- or Letter-sized plain paper in the Auto Sheet Feeder. (4) Use [ ] or [ ] to select and then press [OK]. A pattern is printed and the Print Head is automatically aligned. It takes about five minutes until printing completes. (4) Note z The pattern is printed in black and blue. When Automatic Print Head Alignment Cannot Be Executed Correctly z When automatic Print Head alignment cannot be executed correctly, the message "Auto head align has failed." is displayed on the LCD. See "An Error Message is Displayed on the LCD" on page 161. Cleaning Your Machine This section describes the necessary cleaning procedures for your machine. Caution z Be sure to turn OFF the power and disconnect the power cord before cleaning the machine. z Do not use tissue paper, paper towels, or similar materials for cleaning. Paper tissue powders or fine threads may remain inside the machine and cause problems such as a blocked Print Head and poor printing results. Use a soft cloth to avoid scratching the components. z Never use volatile liquids such as thinners, benzene, acetone, or any other chemical cleaner to clean the machine; these can damage the machine's components. 154 Routine Maintenance Chapter 10