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4804
Cause
A printer error has occurred.
What to Do
Turn off the power, wait a moment, and then turn it back on.
If the error appears again, make a note of the detailed error code (ECxx-xxxx) that appears on the touch
screen, and then turn off the power and contact a Canon customer service center.
Detailed error codes
EC17-203D
840
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Troubleshooting
Need help?
Do you have a question about the imagePROGRAF PRO-6600 and is the answer not in the manual?
Questions and answers