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 
A3 SEF 10010000 B5  SEF 11100000 
B4 SEF 11010000  B6 SEF 00110000 
A4 SEF  11000000  A6 SEF 10110000 
 
3.12.7  BY-PASS PAPER FEED UNIT 
 
1.  Open the right door. 
2.  Remove the by-pass tray unit gear [A] (
  x 1), bushing [B], and screws ( x 2) 
at the rear of the tray. 
3.  Close the right door. 
 
 
⇒
Rev. 05/27/2010 
						

							 
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 motor bracket [A] (
 x 3,  x 1)  
						

							 
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 Data”) 
before you replace the NVRAM. 
 
ƒ  Keep NVRAMs away from any objects that  can cause static electricity. Static 
electricity can damage NVRAM data. 
ƒ  Make sure the NVRAM is correctly insta lled on the BICU. Insert the NVRAM in the 
NVRAM slot with the half-moon [C] pointing to the left. 
ƒ  Make sure that the DIP-switch settings  on the old BICU are the same for the new 
BICU when. Do not change the DIP sw itches on the BICU in the field.