Descriptions - Ricoh G092 Service Manual

Descriptions

1. ECB (Engine Control Board)
The ECB handles the following functions.
• Engine sequence
• Timing for peripherals
• High voltage supply and IH (fusing) power supply
• Laser and fusing
• Sensors, motors, and solenoids
2. Main Control Board (Controller)
The controller handles the following functions.
• Printer-to-host interface
• Operation panel interface
• Network interface
• Interfacing and control of the optional IEEE1394, IEEE802.11b, Bluetooth,
HDD and DRAM DIMM
3. Standard interface boards (IEEE1284, USB, Ethernet LAN)
These allow computers to connect to the printer using IEEE1284 (parallel printer
port) and USB.
4. Optional interface boards (IEEE1394, IEEE802.11b, Bluetooth)
These allow computers to connect to the printer using an IEEE1394 interface,
IEEE802.11b wireless LAN, or a Bluetooth wireless interface. Only one of these
can be installed at any one time. To install these, the USB interface must be
removed.
5. HDD Unit (Option)
The HDD unit stores data for the following.
• Additional soft fonts
• Collation
• Locked print
• Sample print
• Downloading forms for form overlay
6. Memory DIMM (Standard: 64MB DRAM, Option: 64/128/256MB DRAM)
This is for additional printer processing memory, used for collation and for soft
fonts.
7. Operation Panel Board
This controls the display panel, the LED, and the keypad.
SM 6-7
DRIVE MECHANISM
G081/G092