Ricoh B230 Service Manual

Fax Unit (B786) 
SM 1 B786 
B786 
Fax Option 1. INSTALLATION 
1.1  FAX UNIT (B786) 
1.1.1 COMPONENT CHECK 
Check the quantity and condition of the components against the following list. 
No. Description Q’ty 
1 FCU  1 
2  Mother Board   1 
3 Screw  13 
4 Spacer   2 
5 G3 Decal  1 
6  Serial Number Decal   1 
7  FCC Decal (NA only)  1 
8 Fax key  2 
9  Clamp (NA only)  3 
10  Ferrite Core  1 or 2 (NA only) 
11  Telephone Cord (NA only)  1 
12 Speaker  1 
13  Handset bracket (NA only)  1  

Fax Unit (B786) 
B786 2  SM 
 
1.1.2 INSTALLATION PROCEDURE 
 
ƒ Before installing this fax unit, 
ƒ  Print out all data in the printer buffer. 
ƒ  Turn off the main power switch and disconnect the power cord and the 
network cable. 
 
1.  Remove the rear cover [A] (
 x 7). 
2.  Cut off the LINE 1 cover [B].  

Fax Unit (B786) 
SM 3 B786 
B786 
Fax Option 
3.  Cut off the TEL cover [B] if you install the handset unit. 
 
4.  Loosen the eight screws (
 x 8).  
5.  Slide up the controller box cover [C], and then remove it. 
 
6.  Remove the mother board bracket [D] (
 x 6). 
7.  Attach the mother board [E] to the mother board bracket (
 x 4). 
8.  Reinstall the mother board with the mother board bracket to the BICU board (
 
x 6). 
 
ƒ  Make sure that the connection between the mother board connector and 
BICU...

Fax Unit (B786) 
B786 4  SM 
 
9.  Install the fax unit [F] to the mother board (
 x 4). 
10.  Change the MBU battery jumper switch connector [G] from the OFF position 
to the ON position. 
11.  Press down the MBU. 
 
ƒ  Make sure that the MBU is seated correctly. If not, SC occurs (SC672). 
 
12.  Install the speaker [H] to the fax controller board (
 x 1, x 1,  x 1).  

Fax Unit (B786) 
SM 5 B786 
B786 
Fax Option 
 
13.  Attach the MBU spacers [I] to the controller box cover. 
14.  Reattach the controller box cover  
 
ƒ  In this step, use additional four screws and secure the controller box cover 
(see the step 4, 
 x 12). 
15.  Reattach the rear cover (
 x 7). 
16.  Attach the handset bracket and clamps to the copier, and then connect the 
handset cord with the ferrite core to the TEL jack if you install the handset to 
the machine.  
 
ƒ  For details, refer to the...

Fax Unit (B786) 
B786 6  SM 
 
19.  Replace the third key-slot cover [L] with the fax key [M]. 
 
20.  Attach the decal (SUPER G3) to the front door. 
21.  Attach the FCC decal [N] and serial number decal [N] under the serial number 
decal. 
 
ƒ  The FCC decal is for the U.S. and Canada only. 
22.  Put the power plug into the outlet and turn on the main power of the machine. 
 
ƒ  Make sure that the outlet is grounded. 
ƒ  SRAM formatted shows on the operation panel after you have turned the 
main switch...

G3 Interface Unit (B787) 
SM 7 B786 
B786 
Fax Option 
1.2  G3 INTERFACE UNIT (B787) 
1.2.1 COMPONENT CHECK 
Check the quantity and condition of the components against the following list. 
 
No. Description Q’ty 
1 SG3 Board  1 
2 Interface Board  1 
3 Harness   1 
4  Flat Cable   1 
5 Clamp  1 
6 Screw   7 
7 Ferrite Core  1 
8  Telephone Cord (NA only)  1 
9  Flat Cable Holder  1 
 
  

G3 Interface Unit (B787) 
B786 8  SM 
1.2.2 INSTALLATION PROCEDURE 
 
ƒ Before installing this optional unit, 
ƒ  Print out all data in the printer buffer. 
ƒ  Turn off the main switch and disconnect the power cord and the network 
cable. 
You can add two more G3 boards to this model. Follow the procedures for adding the 
single G3 board installation or double G3 boards installation as a customer needs. 
 
1.  Remove the rear cover [A] (
 x 7).  
2.  Cut off the LINE 2 cover [B] for installing the single...

G3 Interface Unit (B787) 
SM 9 B786 
B786 
Fax Option 
4.  Slide up the controller box cover [C], and then remove it. 
 
5.  Remove the speaker [D] ( x 1, 
 x 1) 
6.  Remove the fax unit [E] if the fax unit has already been installed (
 x 4).  

G3 Interface Unit (B787) 
B786 10  SM 
For Installing the Single G3 Board 
 
1.  Attach the flat cable holder [A], and then hold the flat cable [B] with it as shown. 
2.  Attach the clamp [C] as shown. 
3.  Install the telephone jack [D] for G3 board (
 x 1). 
 
4.  Attach the G3 board [E] to the interface board [F], and then attach it to the fax 
unit (
 x 7). 
5.  Connect the telephone jack connector [G] to the G3 board [E]. 
6.  Connect the interface board [F] to the fax controller board [H] with the...