Canon imageRUNNER C3489 Reference Manual page 474

Scanning has been canceled because the size of originals has changed. Fix the order
and front & back of the last 2 pages, return to the 1st page, be sure to set [Different Size
Originals], and try again.
Cause
Remedy
Yellow toner is low. Replacement not yet needed.
Cause
Remedy
Replace toner cartridge. (Black)
Cause
Remedy
8
Replace toner cartridge. (Black copying is possible.)
Cause
Remedy
Replace toner cartridge. (Black printing is possible.)
Cause
Remedy
Insert toner cartridge. (Cyan)
Cause
Remedy
8-78
List of Error Messages
Different size originals are being scanned when the Different Size Originals
mode has not been set.
Place the last two rejected originals back in the feeder. Make sure that the page
order is correct and that the originals are placed properly. Then, set the
Different Size Originals mode.
Toner of the displayed color is running low.
Prepare the displayed color's toner cartridge for replacement. (See "Replacing
the Toner Cartridge," on p. 7-43.)
Printing is not possible because toner of the displayed color has run out.
Replace the displayed color's toner cartridge. (See "Replacing the Toner
Cartridge," on p. 7-43.)
Color copying is not possible because toner of the displayed color has run out.
Replace the displayed color's toner cartridge. (See "Replacing the Toner
Cartridge," on p. 7-43.)
Color printing from the inbox is not possible because toner of the displayed
color has run out.
Replace the displayed color's toner cartridge. (See "Replacing the Toner
Cartridge," on p. 7-43.)
The toner cartridge of the displayed color is not inserted properly.
Make sure that the toner cartridge is inserted properly. (See "Replacing the
Toner Cartridge," on p. 7-43.)