Canon imagePROGRAF PRO-300 PRO-300 series User Manual - Page 211

Examining the Nozzle Check Pattern Examine the nozzle check pattern, and clean the print head if necessary. 1. Check if there are missing lines in the pattern C or horizontal streaks in the pattern D. A: No missing lines/No horizontal streaks B: Lines are missing/Horizontal streaks are present 2. Select the pattern that is closer to the printed nozzle check pattern on the confirmation screen. For A (no missing lines or no horizontal streaks) in both the pattern C and pattern D: The cleaning is not required. Select All A, confirm the message, then select OK. The screen will return to the Maintenance screen. 211