Ricoh D093, Service Manual

Page: 484 / 779

Jam Code Tables, Cover Open
D093/D094 7-62 SM
Main Boards and Switches
No. Name Function
1 T&S Power Pack
High voltage power supply for the transfer corona
wire (T) and the separation corona wire (S) in the
T&S (Transfer and Separation) unit.
2 HDD Hard Disk Drive. One unit: 160 GB
3 Mother Board
Interfaces with the controller, SIPU, and optional
devices such as interface board for the printer
controller.
4 Controller Board
Controls the memory and all peripheral devices. The
GW architecture allows the board to control all
applications (copying, printing, and scanning).
5 SIPU
Scanner Image Processing Unit . This processes
image data from the CIS (Contact Image Sensor),
and sends it to the VDB (Video Drive Board) and
LPH (LED Print Heads). The SIPU also controls the
HDD unit and the PC interfaces.
6 MCU
Main Control Unit. This is the machine's main board.
It contains the SCU (Scanner Control Unit) and ECU
(Engine Control Unit). These units control all parts of
the machine, and this includes the print engine,
scanner, and image processing.