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BLK INK VOL UNKNOWN COL INK VOL UNKNOWN RECOMMEND NEW B-CRT RECOMMEND NEW C-CRT
The function for detecting the remaining ink level is disabled. The statuses of a Color and Black FINE Cartridges may not be the same. This message is displayed on the following occasions. We recommend that you replace the FINE Cartridge promptly. Ink is low while printing in fax mode Ink is low while receiving a fax in fax mode (the received fax is stored in memory.)
If you select ON for PRINT WHEN NO INK, you can set this message not to be displayed. For details, refer to "AUTO PRINT RX" in "FAX SETTINGS" of the User's Guide on-screen manual.
With the Computer Screen
You can confirm the status of each FINE Cartridge on the printer status monitor (Windows) and Canon IJ Printer Utility (Macintosh).
(A) Confirm whether any symbols are displayed here. Ink is low. You can continue printing for a while, but we recommend you to have a new FINE Cartridge available. Ink has run out. See "CHECK INK U163" in "An Error Message Is Displayed on the LCD" on page 78 and take appropriate action. Ink may have run out. See "CHECK INK U162" in "An Error Message Is Displayed on the LCD" on page 78 and take appropriate action. The function for detecting the remaining ink level is disabled.