Ricoh D124-17 Service Manual page 678

6. Troubleshooting
No.
2 Ink cartridge ID chip (K)
3 Ink cartridge ID chip (C)
4 Ink cartridge ID chip (M)
5 Ink cartridge ID chip (Y)
6 CCB (K)
7 CCB (C)
8 CCB (M)
9 CCB (Y)
10 Ink pump motor (K2)
11 Ink pump motor (K1)
12 Ink pump motor (C)
13 Ink pump motor (M)
14 Ink pump motor (Y)
15 Ink end sensor (K)
16 Ink end sensor (C)
17 Ink end sensor (M)
18 Ink end sensor (Y)
676
Component Function
These ID chips identify each cartridge as the correct
type for the machine.
Cartridge Control Board. Relays the ink cartridge ID
chip signals that confirm whether the ink cartridges
are installed correctly in the ink cartridge holder.
These motors pump ink from the ink cartridges,
through the supply tubes, and into the ink supply
tanks of each print head.
Located below the supply port of each cartridge.
Detects when the ink cartridge is out of ink.