Ricoh B230 Service Manual

 
 
 
 
PAPER FEED UNIT 
B800  

SM i B800 
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. 
  
Symbols Used in this Manual 
This manual uses the following symbols. 
: See or Refer to 
: Screws 
: Connector 
: Clip ring 
: E-ring  

Rear Cover 
B800 ii  SM 
B800 
TABLE OF CONTENTS 
Read This First............................................................................................................ i 
Safety and Symbols ......................................................................................... i 
Replacement Procedure Safety .................................................................... i 
Symbols Used in this Manual ........................................................................i 
Table of...

Rear Cover 
SM 1 B800 
B800 
Paper Fed 
Unit 1. REPLACEMENT AND ADJUSTMENT 
1.1 REAR COVER 
 
1.  Securing brackets [A] (
 x 1 each) 
2.  Rear cover [B] (
 x 2)  

Motors and Clutches 
B800 2  SM 
1.2 MOTORS AND CLUTCHES 
1.2.1 LIFT MOTORS 
 
1.  Rear cover (
 Rear Cover) 
2.  Lift motors [A][B] (
 x 2,  x 1 each) 
1.2.2  UPPER AND LOWER PAPER FEED CLUTCHES 
 
1.  Rear cover (
 Rear Cover) 
2.  Upper paper feed gear unit [A] (
 x 3,  x 1) 
3.  Upper paper feed clutch bracket [B] (
 x 1,  x 2, bushing x 1) 
4.  Upper paper feed clutch [C]   

Motors and Clutches 
SM 3 B800 
B800 
Paper Fed 
Unit 
 
5.  Lower paper feed clutch bracket [D] (
 x 1, bushing x 1,  x 2) 
6.  Lower paper feed clutch [E] (
 x 1) 
1.2.3  PAPER FEED MOTOR 
 
1.  Rear cover (
 Rear Cover) 
2.  Paper feed motor [A] (
 x 1,  x 2) 
 
ƒ  When installing the paper feed motor, make sure that the gear of the paper 
feed motor holds the timing belt [B].  

Main Board 
B800 4  SM 
1.3 MAIN BOARD 
 
1.  Rear cover (
 Rear Cover) 
2.  Main board [A] (All 
s,  x 2, snap pin x 2)  

Paper Feed Unit 
SM 5 B800 
B800 
Paper Fed 
Unit 
1.4 PAPER FEED UNIT 
 
1.  Right cover [A] (
 x 2) 
2.  Vertical transport guide [B] of the paper feed unit 
 
3.  Pull the tray 3 (or 4). 
4.  Paper guide [C] 
5.  Paper feed unit [D] (
 x 2,  x 1,  x 2) 
When replacing the paper feed unit of tray 4, do the same.  

Pick-up, Paper Feed and Separation Rollers 
B800 6  SM 
1.5 PICK-UP, PAPER FEED AND SEPARATION 
ROLLERS 
 
1.  Paper feed unit (
 Paper Feed Unit) 
2.  Roller holder [A] (
x 1) 
3.  Pick-up roller [B]  
4.  Paper feed roller [C] 
5.  Separation roller [D] (
x 1)