Descriptions [All Models] - Ricoh G112 Service Manual

BOARD STRUCTURE

6.2.3 DESCRIPTIONS [ALL MODELS]

1. Engine Board
The engine board controls these functions:
• Engine sequence
• Machine and printer engine operation
• Timing for external options
• High voltage supply, laser, and fusing
• Sensors, motors, and solenoids
2. Printer Controller Board
The printer controller board controls these functions:
• Printer-to-host interface
• Operation panel interface
• Interfacing and control of the NIB, printer interface boards, and other
options (HDD and DRAM DIMM)
3. LDU
This controls the laser diodes.
4. Network Interface Board (NIB)
The network interface board connects the printer to a network. This component is
standard on the G113, G116, G095, and G091 Printer Controller Boards. The
G112 and G094 models do not have a NIB as a standard component.
5. HDD Unit (Option)
The HDD unit holds the data for these functions:
• More soft fonts
• Collation
• Locked print
• Sample print
• Downloading forms for form overlay
G112/G113/G116/G094/G095/G091 6-6 SM