Canon imagePROGRAF GP-2000 imagePROGRAF GP-4000 GP-2000 series User Manual - Page 375

Checking for Nozzle Clogging If printing is faint or affected by banding in different colors, make sure the print head nozzles are clear by printing a test pattern to check the nozzles. Note • By default, nozzles are checked at fixed intervals. Auto maintenance settings Paper to Prepare When using rolls An unused roll at least 10.00 in. (254.0 mm) wide When using sheets One sheet of unused paper of at least A4/Letter size 1. Load paper. Loading the Upper Roll on the Printer Loading the Lower Roll on the Roll Unit (Option) Loading Sheets in the Printer 2. Tap Maintenance on HOME screen. Home Screen Menu Composition The Maintenance screen appears. 3. Tap Nozzle Check. A confirmation message appears. 4. Tap Yes. The printer now prints a test pattern for checking the nozzles. 5. Check the printing results. If the horizontal lines are not faint or incomplete, the nozzles are clear. If some sections of the horizontal lines are faint or incomplete, the nozzles for those colors are clogged. If horizontal lines are faint or incomplete, execute print head cleaning. 375