Support Code = 1683
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The remaining level of the ink cannot be correctly detected.
Replace the ink tank.
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The remaining ink level cannot be correctly detected. (The lamp on the ink tank flashes.)
Replace the ink tank and close the operation panel.
Printing with an ink tank that was once empty may damage the machine.
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 machine's Stop button for at 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 machine malfunction or damage caused by refilled ink tanks.
REFERENCE
If the function for detecting the remaining ink level is disabled, the ink tank in gray is displayed on the LCD when checking the current ink level.
When you need to replace an ink tank, follow the procedure below.
IMPORTANT
If you remove an ink tank, replace it immediately. Do not leave the machine with the ink tank removed.
Use a new ink tank for replacement. Installing a used ink tank may cause the nozzles to clog. Furthermore, with such an ink tank, the machine will not be able to inform you when to replace the ink tank properly.
Once an ink tank has been installed, do not remove it from the machine and leave it out in the open. This will cause the ink tank to dry out, and the machine may not operate properly when it is reinstalled. To maintain optimal printing quality, use an ink tank within six months of first use.