Ricoh D146 Service Manual page 144

2.22 OPTIONAL COUNTER INTERFACE UNIT TYPE A
2.22.1 INSTALLATION PROCEDURE
· When you install this option, switch the MFP's power supply OFF, and unplug the power
plug from the mains outlet.
· If installed when the power is on, it will result in an electric shock or malfunction.
Key Counter
1. Rear right cover (page 4-11 "
D146/D147/D148/D149/D150
Optional Counter Interface Unit Type A
2-138 SM