Canon DR-9080C Service Manual page 323

Error code J01
Cause Staple detected, document transfer stopped.
Remedy Open the upper scanner and remove the document. Check to see if
the document was scanned correctly, and scan the document
again.
Error code J02
Cause Staple detected, document feed stopped.
Remedy Open the upper scanner and remove the document. Check to see if
the document was scanned correctly, and scan the document
again.
Error code J18
Cause Detected a skewed document, document feed stopped.
Remedy Open the upper scanner and remove the document. Check to see if
the document was scanned correctly, and scan the document
again.
Error code P00
Cause Document detected in the scanner when the power was turned
ON or the upper scanner was open.
Remedy Remove the document that was left in the scanner. (See p.67.)
Error code P02
Cause Detected a document that is longer than the document that is
set.
Remedy Open the upper scanner and remove the document. Check to see if
the document was scanned correctly, and scan the document
again.
Error code P03
Cause Detected a document that is shorter than the document that is
set.
Remedy Open the upper scanner and remove the document. Check to see if
the document was scanned correctly, and scan the document
again.
6.5 When an Error Code Is Displayed
77