Ricoh Aficio MP 4002 Service Manual

Boards
D629 178 SM
5.2.2 SG3 BOARD
The SG3 board allows up to three simultaneous communications when used in combination with
the FCU and optional G3 boards. The NCU is on the same board as the common SG-3 board.
This makes the total board structure smaller. But, the specifications of the SG3 board do not
change.
NCCP (New Communication Control Processor)
 Controls the SG3 board.
 CPU (RU30)
 DPRAM (Dual Port RAM): Handshaking with the FCU is done through this block.
 DMA controller
 JBIG
 DSP V34 modem (RL5T892): Includes the DTMF Receiver function
 DCR for MH, MR, MMR, and JBIG compression and decompression

Ricoh Aficio MP 4002 Specifications

General

Print Resolution	600 x 600 dpi
Copy Resolution	600 x 600 dpi
Duplex	Yes
Monthly Duty Cycle	150, 000 pages
Functions	Print, Copy, Scan, Fax
Maximum Paper Size	11" x 17"
Type	Monochrome Laser Multifunction Printer
Print Speed	40 ppm
Scan Resolution	600 dpi
Paper Capacity	Maximum: 4, 400 sheets
Connectivity	USB 2.0, Ethernet 10/100Base-TX
First Print Time	4.1 seconds
Zoom Range	25% - 400%
Fax Transmission Speed	Less than 3 seconds per page