User Activity

My Pixma G3260 causes long delays in simply opening documents, from word processing programs and online documents (when I'm not even trying to print).    It also delays when printing a PDF.  Previous Brother printer began printing immediately.
Immediately after it finished a print job, my Pixma G3260 goes to sleep.  Each time I have to wake it and then it cleans itself before it will start another print job.  VERY frustrating, time consuming, and wasteful of ink!  How can I prevent it from...