Updated:02/08/2021

These are the most viewed FAQs, ranked by popularity.

1. 1.How to identify your Operating System (OS).
2. 2.The Drum LED is still on or flashing after I replace the drum unit with a new one.
3. 3.I'm experiencing a problem when printing from Adobe® Acrobat®/ Acrobat® Reader®/ Reader®. What can I do to correct this?
4. 4.When I print from Adobe® Illustrator® with the "Improve Gray Printing" option enabled, the document with halftone setting does not print as expected. What can I do?
5. 5.What is the recommended paper?