Board Structure - Ricoh Aficio MP2550B Service Manual

Board Structure

6.2 BOARD STRUCTURE
6.2.1 MAIN BOARDS
Here is a summary of the new features of the boards in this machine. For more details,
please refer to the point-to-point diagram provided with the machine.
BCU (Base Engine Control Unit)
This is the scanner and engine control board. It controls the following functions:
D017/D018/D019/D020 6-12 SM