Make sure the printer cable is ieee-1284 compliant and that the printer port is
set up for bidirectional communication (usually epp or ecp).

>  I've been working on printer problem for the past few days.
> > (Cannon BJ-250) Everytime I send a print command from any application I
> > receive this error- (The printer is not ready make sure the power is on
> > and it's online)

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