Saturn S300 Series Service Manual page 32

Equipment Description and Component Identification
Electronic Components
27 Reverse Side
of Upper Door
23 Ink Control Unit（ICU）
24 Print Control Unit（PCU）
25 Print Drive Unit（PDU）
26 Input/Output Unit（IOU）
29 High Voltage
Power
Figure 3-10. Electronic Compartment
Refer to Figure 3-10 for the location of the main electronic
components, and refer to the following pages to find a brief
description of the function of the components.
Caution: To access this compartment, use the keys and/or
the hex key (supplied with the printer) to open the cabinet door.
23 Ink Control Unit
24 Print Control Unit
25 Print Drive Unit
28 Main Power
3-14
26 Input/Output Uint