Canon iP4700 SERIES On-Screen Manual page 360

Thirteen flashes:
Ink level cannot be detected.
Fourteen flashes:
Ink tank cannot be recognized.
Fifteen flashes:
Ink tank cannot be recognized.
Sixteen flashes:
Ink has run out.
Nineteen flashes:
An unsupported USB hub is connected.
The remaining ink level cannot be correctly detected. (The
lamp on the ink tank flashes.)
Replace the ink tank and close the Top Cover.
Routine Maintenance
Printing with an ink tank that was once empty may damage
the printer.
If you want to continue printing in this condition, you need to
release the function for detecting the remaining ink level.
Press and hold the printer's RESUME/CANCEL
least 5 seconds, and then release it.
With this operation, releasing the function for detecting the
remaining ink level is memorized. Please be advised that
Canon shall not be liable for any printer malfunction or
damage caused by refilled ink tanks.
Note
If the function for detecting the remaining ink level is
disabled, the ink tank is displayed in gray on the printer
status monitor (Windows) and Canon IJ Printer Utility
(Macintosh).
Routine Maintenance
The ink tank is not compatible with this printer. (The lamp on
the ink tank is off.)
Install an appropriate ink tank.
Routine Maintenance
An ink tank error has occurred. (The lamp on the ink tank is
off.)
Replace the ink tank.
Routine Maintenance
Ink has run out. (The lamp on the ink tank flashes.)
Replace the ink tank and close the Top Cover.
Routine Maintenance
Printing under the current condition may damage the printer.
If you want to continue printing in this condition, you need to
release the function for detecting the remaining ink level.
Press and hold the printer's RESUME/CANCEL
least 5 seconds, and then release it.
With this operation, releasing the function for detecting the
remaining ink level is memorized. Please be advised that
Canon shall not be liable for any malfunction or trouble
which may be caused by continuation of printing under the
ink out condition.
Note
If the function for detecting the remaining ink level is
disabled, the ink tank is displayed in gray on the printer
status monitor (Windows) and Canon IJ Printer Utility
(Macintosh).
Routine Maintenance
If a PictBridge compliant device is connected via a USB hub,
remove the hub and connect it directly to the printer.
button for at
button for at
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