Riso ComColor X1 series Technical Manual page 268

Ink Flow Section
7) When removing the magenta or yellow ink bus, loosen the screws (IT screw 3x6 (3 pcs)) on the right hand
side Head drive PCB, remove the entire PCB bracket, and hook it over the left Head drive PCB.)
REAR
FRONT
(1) Slide the tip of the PCB bracket into the hook.
(2) Insert the PCB bracket on the pin..
Right-hand side Head drive PCB bracket.
< Placed over the left-hand side PCB bracket..>
Left-hand side Head drive PCB bracket.
< Held in position by 4 screws.>
[ 11A-56 ]
FRONT view
REAR view
ComColor Series (Revision 2.4)