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Printheads Cleaning the Printhead Cleaning the Printhead may help clear nozzles that are clogged. Note • You can specify a number of pages in the printer’s Noz. Check Freq. menu for automatic nozzle checking and cleaning every time you nish printing that quantity. (→P.49) • You can start Head Cleaning A by holding down the Information button for three seconds or more. Cleaning the Printhead 1. Press the Menu button to display MAIN MENU. 2. 3. Press ▲ or ▼ to select Head Cleaning, and then press the ► button. Press ▲ or ▼ to select the type of cleaning, and then press the OK button. • Head Cleaning A Use Head Cleaning A if printing is faint or contains foreign substances. This method of cleaning consumes the least amount of ink. It takes about two minutes to complete. • Head Cleaning B Use Head Cleaning B if no ink comes out of the printhead, or if Head Cleaning A does not solve the problem. It takes about three minutes to complete. The printhead is cleaned, and the printer goes online. 4. Print a test pattern to check the nozzles, and determine whether cleaning has cleared the nozzles. (→P.695) Note • If printing does not improve after Head Cleaning A, try Head Cleaning B. If this does not solve the problem, repeat Head Cleaning B at least two times. If this still does not improve printing, the Printhead may have reached the end of its useful life. Contact your Canon dealer. Caution • Do not remove the Maintenance Cartridge or Ink Tanks during cleaning. 696 Maintenance
