I am using FOP version 1.1. I tried the following configurations, listed below.
Let me know if any further information is required. Variant 1 <renderer mime="image/tiff"> <!--transparent-page-background>true</transparent-page-background--> <!--compression>NONE</compression--> </renderer> Variant 2 <renderer mime="image/tiff"> <!--transparent-page-background>true</transparent-page-background--> <compression>NONE</compression> </renderer> Variant 3 <renderer mime="image/tiff"> <!--transparent-page-background>true</transparent-page-background--> <compression>PackBits</compression> </renderer> Variant 4 <renderer mime="image/tiff"> <color-mode>rgba</color-mode> <!--transparent-page-background>true</transparent-page-background--> <compression>PackBits</compression> </renderer> Variant 5 <renderer mime="image/tiff"> <color-mode>rgba</color-mode> <!--transparent-page-background>true</transparent-page-background--> <rendering>true</rendering> <compression>PackBits</compression> </renderer> Variant 6 <renderer mime="image/tiff"> <color-mode>rgba</color-mode> <transparent-page-background>true</transparent-page-background> <rendering>true</rendering> <compression>PackBits</compression> </renderer>