Hi,
1. Please try the following steps first (for Windows):
(a) Click Printer icon on desktop,
(b) Click Set Preferences (or under Properties),
(c) Click Advanced,
(d) Under Grayscale window option, select "Off".
(e) Click Ok/Apply ....
2. To get back to factory default, please use printer screen:
(a) Touch Settings,
(b) Touch Tools then use finger to roll screen up (ie get down menu),
(c) Touch Restore Factory Defaults
Regards.
