Reduce Printing Noise

Printing is slow or printed images are too dark (Windows)  

Some characters are missing when printing PDF files from Adobe® Acrobat® / Adobe® Acrobat® Reader® / Adobe® Reader®. What can I do to correct this?

Why do the color ink tanks run out of ink even though I never or rarely print in color?

Ink is still wet after printing on Glossy Paper and even after ink dries, smudge appears.