Mac print driver for canon pimxa pro 9500

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I can't get a decent print out of this machine - the colors are dull and darkish and the b/w's stink (dark & mushy overall and the blacks are not dark enough). Can someone take me through the exact steps in turning the printer driver's color management OFF (I'm having Ps CS4 manage the color) using a Canon Pixma 9500 Pro Mark II with an OSX iMac, please?