Canon imagePROGRAF GP-300 imagePROGRAF GP-300 GP-200 series User Manual - Page 797

4937 Cause Print head position adjustment failed. What to Do Follow the steps below to repeat Print Head Alignment. 1. Tap OK on the touch screen to dismiss the error. 2. Print a test pattern to check the nozzles. Checking for Nozzle Clogging 3. If the nozzle is blocked, clean the print head. Cleaning the Print Head 4. Retry Print Head Alignment. Automatic Adjustment to Straighten Lines and Colors If any print head nozzles are still blocked, replace the print head. Replacing the Print Head If the error appears again, the printer may be damaged. Contact a Canon customer service center. 797