Ricoh Mp C3000 Service Manual

 
SM 3-91 B230/B237/D042 
Replacement 
Adjustment 
3.12.5 REGISTRATION SENSOR 
 
1.  Rear cover (
 Rear Cover) 
2.  Right rear cover (
  Right Rear Cover) 
3.  Paper feed unit (
  Paper Feed Unit) 
4.  Paper guide plate 1 [A] and 2 [B] (
  x 2 each)   
5.  Registration sensor [C] (
  x 1, hook)  

 
B230/B237/D042 3-92 SM 
3.12.6  BY-PASS PAPER SIZE DETECTION SWITCH 
 
1.  Open the by-pass tray [A]. 
2.  By-pass tray cover [B] (4 hooks) 
 
3.  Close the by-pass tray. 
4.  By-pass paper size detection switch [C] (
 x 1) 
When reinstalling this switch 
  

 
SM 3-93 B230/B237/D042 
Replacement 
Adjustment 
1.  Adjust the projection [B] of the left side fence bar (it must be centered).   
2.  Install the by-pass paper size detection sw itch so that the hole [A] in this switch 
faces the projection [B] of the left side fence bar. 
3.  Reassemble the copier. 
4.  Plug in and turn on the main power switch. 
5.  Check this switch operation with SP5803-071 (By-pass paper size < Input  Check). 
- Display on the LCD -  
Paper Size   Display  Paper Size  Display...

 
B230/B237/D042 3-94 SM 
 
4.  Open the by-pass tray unit. 
5.  By-pass tray cover [C] (4 hooks) 
 
6.  By-pass paper feed unit [D] (
 x 1, x 2)  

 
SM 3-95 B230/B237/D042 
Replacement 
Adjustment 
3.13 DUPLEX UNIT 
3.13.1 DUPLEX UNIT 
 
1.  Rear cover (
 Rear Cover) 
2.  Right rear cover (
  Right Rear Cover) 
3.  Open the right door. 
4.  Duplex unit [A] (
 x 2,  x 1,  x 1) 
 
ƒ  When removing the duplex unit, pull it to the rear side. 
3.13.2 DUPLEX TR ANSPORT MOTOR 
 
1.  Rear cover (
 Rear Cover) 
2.  Right rear cover (
  Right Rear Cover) 
3.  High voltage supply board bracket (
   High Voltage Supply Board Bracket ) 
4.  Duplex transport...

 
B230/B237/D042 3-96 SM 
 
5.  Duplex transport motor [B] (
  x 4, timing belt x 1)  

 
SM 3-97 B230/B237/D042 
Replacement 
Adjustment 
3.14 ELECTRICAL COMPONENTS 
3.14.1 CONTROLLER UNIT 
 
1.  Controller unit [A] (
 x 5) 
3.14.2  CONTROLLER BOX COVER 
 
1.  Rear cover (
 Rear Cover) 
2.  Loosen the eight screws. 
3.  Slide up the controller box cover [A], and then remove it.  

 
B230/B237/D042 3-98 SM 
3.14.3 CONTROLLER BOX 
 
1.  Rear cover (
 Rear Cover) 
2.  Controller box cover (
  Controller Box Cover) 
3.  Disconnect all the connectors on the BICU and release the clamps. (
 x 5,  x 
3) 
4.  Remove the ground cable (
  x 1) and one flat cable. 
 
ƒ  Make sure that the flat cable is remo ved. If not, the flat cable can be damaged. 
  

 
SM 3-99 B230/B237/D042 
Replacement 
Adjustment 
5.  Open the controller box [A] ( x 6). 
 
6.  Release all the clamps on the top and bottom of the controller box (top: 
 x 3, 
bottom: 
 x 5). 
 
7.  Hinge bracket [B] (
 x 1)  
 
8.  Controller box [C]  

 
B230/B237/D042 3-100 SM 
3.14.4 BICU 
 
1.  Rear cover (
 Rear Cover) 
2.  Controller box cover (
  Controller Box Cover) 
3.  Mother board bracket [A] (
 x 4) 
4.  BICU [B] (
 x 5,   x 10, one flat cable) 
When installing the new BICU 
Remove the NVRAM from the old BICU. Then in stall it on the new BICU after you replace 
the BICU. Replace the NVRAM (
  NVRAM Replacement Pr ocedure) if the NVRAM on 
the old BICU is defective. 
 
ƒ  Make sure you print out the SMC reports (“SP Mode Data” and “Logging...