Ricoh M281 Series Service Manual page 575

SP 5300/5310 Electrical Components
No. Name
1 LDB
2 Connect-Left PCB
3 Thermostat connection PCB
4 IOB
5 Controller board
6 BiCU
7 PSU
8 Thermistor connection PCB
SM
No. Name
9 OPU Board
10 Sensor PCB
11 Power pack
12 Drum connection PCB
13 Toner cartridge PCB
14 Drum PCB
15 Toner cartridge connection PCB
7-11
Product Overview
D255/D256/M281/M282