Canon imagePROGRAF TM-300 series User Manual - Page 804

4937 Cause Print head position adjustment failed. What to Do Tap OK on the touch screen to dismiss the error and retry Print head alignment following the steps below. 1. Print a test pattern to check the nozzles. Checking for Nozzle Clogging 2. If the nozzle is blocked, clean the print head. Cleaning the Print Head 3. 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. 804