Printing without colour

[Stephen Liu <satimis icare com hk>]

Hi folks,

I am configuring printer, hp deskjet 690C, starting from Control 
Center.  Everything seemed going on without problem.  I selected lp0 
printer and made a test print out, "Printed Using CUPS v1.1.x".  It was 
OK but without colour. 

On "Driver Settings"
HP DeskJet 690C, Foomatic + hpijs
Extra
Resolution, Quality, Ink Type, Media Type: <300 dpi, Color, Black + 
Color Cartidge>
General
Page Size <A4>

Kindly advise how to fix it.  Besides I could not locate the selector 
"cups/lp0"

Thanks in advance.

B.R.
Stephen Liu