Ricoh B230 Service Manual

G3 Interface Unit (B787) 
SM 11 B786 
B786 
Fax Option 
For Installing the Double G3 Boards 
 
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 jacks [D] and [E] for G3 boards. 
 
4.  Attach the G3 boards [F] and [G] to the interface board [H], and then attach it to 
the fax unit (
 x 9). 
5.  Connect the telephone jack connectors [I] and [J] to the G3 board. 
6.  Connect the interface board [G] to the...

G3 Interface Unit (B787) 
B786 12  SM 
For Single G3 Board and Double G3 Boards 
1.  Reinstall the fax unit to the controller board (see step 5,  x 4). 
 
ƒ  If the fax unit has not been installed, attaching the mother board to the 
mother board bracket is necessary. For details, refer to the FAX OPTION 
TYPE MPC3000 (B786) INSTALLATION PROCEDURE. 
 
2.  Attach the controller box cover [A] to the controller box (see step 3 and 4, 
 x 
12). 
3.  Attach the rear cover to the copier (
 x7).  
 
4.  Attach...

G3 Interface Unit (B787) 
SM 13 B786 
B786 
Fax Option 
cord has a ferrite core. 
6.  Put the power plug into the outlet and turn on the main power switch. 
7.  Enter the service mode. Set bit 1 of communication switch 16 to “1” (SP1-104-
023). 
8.  Set bit 3 of communication switch 16 to 1 (SP1-104-023) if you have installed 
two G3 boards. 
9.  Turn the main power switch off and on. 
10.  Print out the system parameter list. Then check that “G3” shows as an option. 
11.  Set up and program the items...

Fax Unit Option 
B786 14  SM 
1.3  FAX UNIT OPTION 
1.3.1 HANDSET (B433) 
 
ƒ  The optional handset is available for the U.S. version only. 
For the copier without any finisher 
 
1.  Make two holes in the scanner left cover. 
2.  Attach the bracket [A] enclosed with the fax unit (
 x 2) as shown. 
3.  Remove the label [B] from the handset cradle [C]. Attach the cradle [C] to the 
bracket [A] (
 x 2), and then replace the label [B]. 
4.  Install the handset [D] on the cradle [C]. 
5.  Attach the ferrite...

Fax Unit Option 
SM 15 B786 
B786 
Fax Option 
For the copier with any finisher 
 
9.  Do the hand set installation procedure for the copier without any finisher. 
10.  Attach the clamp [A] to the scanner left cover. 
11.  Clamp the hand set cord with clamp [A]. 
 
  

FCU 
B786 16  SM 
2. REPLACEMENT AND ADJUSTMENT 
2.1 FCU 
1.  When you replace the FCU board, remove the MBU board from the old FCU 
board and install it on the new FCU board. 
2.  Set the correct date and time with the User Tools: User Tools> System Settings> 
Timer Setting> Set Date/Time. 
 
ƒ  Do not turn off the battery switch (SW1). 
ƒ  Do SP6101 to print the system parameters, and check the settings.  

Error Codes 
SM 17 B786 
B786 
Fax Option 3. TROUBLESHOOTING 
3.1 ERROR CODES 
If an error code occurs, retry the communication. If the same problem occurs, try to fix the 
problem as suggested below. Note that some error codes appear only in the error code 
display and on the service report. 
 
Code Meaning Suggested Cause/Action 
0-00  DIS/NSF not detected 
within 40 s of Start being 
pressed ƒ  Check the line connection. 
ƒ  The machine at the other end may be 
incompatible. 
ƒ  Replace the FCU.  
ƒ...

Error Codes 
B786 18  SM 
Code Meaning Suggested Cause/Action 
reply to DCS ƒ  Try adjusting the tx level and/or cable 
equalizer settings. 
ƒ Replace the FCU. 
ƒ  The other end may be defective or 
incompatible; try sending to another machine. 
ƒ  Check for line problems. 
Cross reference 
See error code 0-04. 
0-07 No post-message 
response from the other 
end after a page was sent ƒ  Check the line connection. 
ƒ Replace the FCU. 
ƒ  The other end may have jammed or run out of 
paper. 
ƒ  The other...

Error Codes 
SM 19 B786 
B786 
Fax Option 
Code Meaning Suggested Cause/Action 
confidential or transfer 
mode ƒ  Try adjusting the tx level and/or cable 
equalizer settings. 
ƒ  The other end may have disconnected, or it 
may be defective; try calling another machine. 
ƒ  If the rx signal level is too low, there may be a 
line problem. 
Cross reference 
See error code 0-08. 
0-20  Facsimile data not 
received within 6 s of 
retraining ƒ  Check the line connection. 
ƒ Replace the FCU. 
ƒ  Check for line...

Error Codes 
B786 20  SM 
Code Meaning Suggested Cause/Action 
0-30  The other terminal did not 
reply to NSS(A) in AI short 
protocol mode ƒ  Check the line connection. 
ƒ  Try adjusting the tx level and/or cable 
equalizer settings. 
ƒ  The other terminal may not be compatible. 
Cross reference 
Dedicated tx parameters - Section 4 
0-32  The other terminal sent a 
DCS, which contained 
functions that the receiving 
machine cannot handle. ƒ  Check the protocol dump list. 
ƒ  Ask the other party to...