4937
Cause
Print head position adjustment failed.
What to Do
Follow the steps below to repeat Print Head Alignment.
- Tap OK on the touch screen to dismiss the error.
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Print a test pattern to check the nozzles.
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If the nozzle is blocked, clean the print head.
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Retry Print Head Alignment.
If any print head nozzles are still blocked, replace the print head.
If the error appears again, the printer may be damaged. Contact a Canon customer service center.