Avoid gray drop shadows. Even though gray drop shadows are usually produced with black toner, they may print with random pixels of color. Laser printers produce a better original, but even then, drop shadows should be used sparingly, if at all. Black and solid color drop shadows with wide bands of color have more visual impact and reproduce better than line graphs. The copier tends to drop out the background grid marks in favor of the colored lines.
Color is subjective.
This process will take about five minutes and will speed your job along. If a proof is sent out for approval, it may not be possible to exactly duplicate the proof colors when it comes back. Color copying may vary over time because of recalibration. We hope this information proves useful. In the meantime, keep those color copy jobs coming and call 651.296.3277 if you have color copy questions.