Canon imagePROGRAF GP-300 imagePROGRAF GP-300 GP-200 series User Manual Win - Page 310

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. Important • When using cut sheets, do not move the release lever until instructions (guidance) for removing the paper are displayed. Moving the release lever during printing or maintenance operations will cause the printer to stop. 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 1 sheet of unused paper of at least A4/Letter size 1. Load paper. Loading Rolls in the Printer Loading Sheets in the Printer 2. Tap (Setup) > 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. 310