Epson PH890 Service Manual page 49

EPSON Stylus Photo 890/1290
CR Encoder senser
Head
IC7
E0BA13KA
Figure 2-14. Block Diagram for the C393MAIN-B Board
(For Stylus Photo 890/1290)
OPERATING PRINCIPLES
CR1
Timer &
Reset IC
(IC4)
IC4
Electrical Circuit Operating Principles
CR Encoder senser
Head
CR1
Timer &
Reset IC
(IC4)
IC7
E0BA13KA
Figure 2-15. Block Diagram for the C393MAIN-C Board
(For Stylus Photo 890 only)
Revision B
IC4
49