Oki LD670 User Manual page 211

(2) Mount the enclosed fitting for the printer connection using the enclosed
screws.
(3) Connect the sensor cable, interface cable, and AC adapter cable for the wide
roll paper unit to the connector at the rear of the printer.
①AC adapter cable
③roll paper unit
sensor cable
Note: For how to connect the AC adapter cable, see Section 4-2 Connecting AC
Adapter.
Note: When you connect cables, connect in the following order: ① AC adapter
cable -> ② Interface cable -> ③ Sensor cable.
②interface cable
Mounting screws
Printer connection fitting
209