Canon PIXMA iP2850 - Manual (Page 223)

1890
Cause
The protective material for the FINE cartridge holder or the tape may remain attached to the holder.
Action
Make sure that the protective material or the tape does not remain attached to the FINE cartridge holder.
If you find the protective material or the tape remains attached, retract the output tray extension and the
paper output tray to remove the protective material or the tape.
Pull down the tape to remove the protective material.
Close the cover after removing the protective material.
If the problem is not resolved, contact the service center.
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