Other Messages
Carriage Cover is open.
Cause Corrective Action
Close the Carriage Cover .
( → P .720)
The Carriage Cover is open.
If the error occurs again, turn of f the printer and wait
a while before restoring power .
Prepare for parts replacement.
Cause Corrective Action
It is almost time to replace consumables for which
service is required.
If Parts replacement time has passed. is displayed,
you can continue to use the printer for some time.
Contact your Canon dealer for assistance.
Parts replacement time has passed.
Cause Corrective Action
It is past the recommended time to replace
consumables for which service is required.
Contact your Canon dealer for assistance.
Unknown le.
Cause Corrective Action
Data sent to keep the printer up to date (such as
paper information) is in the wrong format.
Check the print job. T urn of f the printer and wait a
while before restoring power , and then resend the
data.
Check the rmware version. T urn of f the printer and
wait a while before restoring power , and then resend
the rmware.
Y ou have uploaded rmware for a dif ferent model.
If the message is displayed again, contact your
Canon dealer for assistance.
Multi-sensor error
Cause Corrective Action
Direct sunlight or strong lighting may be shining on
the printer and causing the sensor to malfunction.
T ake steps to ensure the printer is not used when
exposed to direct sunlight or strong lighting.
The performance of a sensor inside the printer may
be impaired.
Contact your Canon dealer for assistance.
804 Error Message
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