Ricoh Mp C3000 Service Manual

							 
BRIDGE UNIT BU3000 B227 
B227  BRIDGE UNIT BU3000  REVISION HISTORY
Page Date  Added/Updated/New 
      None 
 
  
						

							SM i B227 
BRIDGE UNIT BU3000 B227 
TABLE OF CONTENTS 
1. REPLACEMENT AND ADJUSTMENT ............................................ 1 
1.1  BRIDGE UNIT CO NTROL BOARD ............................................................... 1  
1.2  BRIDGE UNIT DRIVE MOTOR ..................................................................... 2  
1.3  TRAY EXIT  SENSOR ........................................................................\
........... 3  
1.4  RELAY SE NSOR ........................................................................\
.................. 4  
2. DETAILED SECTION DESCRIPTIONS ........................................... 5 
2.1  MECHANICAL COMPON ENT LAYOUT ....................................................... 5  
2.2  DRIVE LAYO UT ........................................................................\
.................... 6  
2.3  ELECTRICAL COMP ONENT LAYOUT ........................................................ 7  
2.4  ELECTRICAL COMPONEN T DESCRIPTIONS ............................................ 8  
2.5  JUNCTION GATE  MECHANISM .................................................................. 9  
 
  
						

							 
 
Read This First 
Safety and Symbols 
Replacement Procedure Safety 
 
ƒ  Turn off the main power switch and unplug the machine before beginning any of 
the replacement procedures in this manual. 
When taking apart the bridge unit, first  take the unit out of the copier. 
  
Symbols Used in this Manual 
This manual uses the following symbols. 
: See or Refer to 
: Screws 
: Connector 
: Clip ring 
: E-ring  
						

							Bridge Unit Control Board 
SM 1 B227 
B227 
Bridge Unit 
1.  REPLACEMENT AND ADJUSTMENT 
1.1  BRIDGE UNIT CONTROL BOARD 
 
1.  Bridge unit (
 Installation Procedure in the base copier manual) 
2.  Rear cover [A] (
 x 2) 
3.  Bridge unit control board [B] (
 x 3,  x 4)  
						

							Bridge Unit Drive Motor 
B227 2  SM 
1.2  BRIDGE UNIT DRIVE MOTOR 
 
1.  Bridge unit (
 Installation Procedure in the base copier manual) 
2.  Rear cover 
3.  Bracket [A] (
 x 3,  x 2) 
4.  Bridge unit drive motor [B] (
 x 4,  x 1)  
						

							Tray Exit Sensor 
SM 3 B227 
B227 
Bridge Unit 
1.3  TRAY EXIT SENSOR 
 
1.  Bridge unit (
 Installation Procedure in the base copier manual) 
2.  Rear cover (Rear Cover) 
3.  Paper tray [A] 
4.  Exit guide [B] (
 x 1) 
 
5.  Tray exit sensor [C] (
 x 1)  
						

							Relay Sensor 
B227 4  SM 
1.4 RELAY SENSOR 
 
1.  Bridge unit (
 Installation Procedure in the base copier manual) 
2.  Paper tray [A] 
3.  Relay sensor [B] (
 x 1)