Ricoh D391, Service Manual

Page: 487 / 490

Controls sub grip, main grip, gluing unit, cover feed in the cover registration unit, and
interfaces with the master, cutter, and inserter control boards. Draws power directly from
PSU2.
PCB3 Cutter Control Board
Controls signature rotation for trimming, trimming, trimmings collection, and book stacking.
PCB4 Main Grip Relay Board 1
PCB5 Main Grip Relay Board 2
PCB6 Main Grip Relay Board 3
PCB7 Sub Grip Relay Board 1
PCB8 Sub Grip Relay Board 2
PCB9 Sub Grip Relay Board 3
PCB10 Sub Grip Relay Board 4
PCB11 Glue Applicator Relay Board
Interfaces between the gluing unit and the slave control board.
PCB12 Relay Board (Optional Control Board)
--- Not present, not used with this machine ---
--- Not Used ---
PCB13 Transceiver Board (Optional Control Board)
--- Not present, not used with this machine ---
PCB14 EEPROM Board
Interfaces between the relay unit and master control board.
PCB15 Front Cover LED
Controls the small LED on the right front door. When this LED is OFF the doors can be
opened. When ON the doors cannot be opened.
PCB16 Full LED Board
Controls operation of the stacker door button and binding status lamp. (The lamp encircles
the button.)
Motor, Sensor Locations
485
6