Ricoh Mp C3000 Service Manual

							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 hol d 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 boar d [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 flat cable [I].  
						

							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 hol d 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 inte rface 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 fax  controller board [K] with the flat cable [L].  
						

							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 the ferrite core [B ] to the telephone cord [C]. 
5.  Connect the telephone cord [C] to the LINE 2 jack. 
 
ƒ  Connect the one more telephone cord to the LINE 3 jack if you have 
installed two G3 boards. Make sure that each telephone (LINE2 and LINE3) 
cord has a ferrite core.  
						

							G3 Interface Unit (B787) 
SM 13 B786 
B786 
Fax Option 
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. Th en check that “G3” shows as an option. 
11.  Set up and program the items required for PSTN-2 communications.  
						

							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 cradl e [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 core [E] to the cable.  
6.  Attach the two clamps [F] as shown. 
7.  Line the cable [G] as shown (
 x 2). 
8.  Connect the cable [G] to the “TEL”  jack at the rear of the machine.  
						

							Fax Unit Option 
SM 15 B786 
B786 
Fax Option 
For the copier with any finisher 
 
9.  Do the hand set installation procedure f or 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 pa rameters, 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  Check for DIS/NSF with an oscilloscope. 
ƒ  If the rx signal is weak, there may be a bad  line. 
0-01 DCN received 
unexpectedly  ƒ  The other party is out of paper or has a 
jammed printer. 
ƒ  The other party pressed Stop during  communication. 
0-03  Incompatible modem at  the other end  The other terminal is incompatible. 
0-04  CFR or FTT not received 
after modem training  ƒ  Check the line connection. 
ƒ  Try changing the tx level and/or cable 
equalizer settings. 
ƒ Replace the FCU. 
ƒ  The other terminal may be faulty; try sending 
to another machine. 
ƒ  If the rx signal is weak or defective, there may  be a bad line. 
Cross reference  
Tx level - NCU Parameter 01 (PSTN) 
Cable equalizer - G3 Switch 07 (PSTN) 
Dedicated Tx parameters in Service Program 
Mode 
0-05  Modem training fails even  G3 shifts down to 2400 
bps.   ƒ  Check the line connection. 
ƒ  Try adjusting the tx level and/or cable 
equalizer. 
ƒ Replace the FCU. 
ƒ  Check for line problems. 
Cross reference  
See error code 0-04. 
0-06  The other terminal did not  ƒ  Check the line connection.  
						

							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 end user may have disconnected  the call. 
ƒ  Check for a bad line. 
ƒ  The other end may be defective; try sending  to another machine. 
0-08  The other end sent RTN or  PIN after receiving a page, 
because there were too 
many errors   ƒ  Check the line connection. 
ƒ Replace the FCU. 
ƒ  The other end may have jammed, or run out 
of paper or memory space. 
ƒ  Try adjusting the tx level and/or cable  equalizer settings. 
ƒ  The other end may have a defective 
modem/FCU; try sending to another machine. 
ƒ  Check for line problems and noise. 
Cross reference  
ƒ  Tx level - NCU Parameter 01 (PSTN) 
ƒ  Cable equalizer - G3 Switch 07 (PSTN) 
ƒ  Dedicated Tx parameters in Service Program  Mode 
0-14 Non-standard post  message response code 
received  ƒ  Incompatible or defecti
ve remote terminal; try 
sending to another machine. 
ƒ  Noisy line: resend. 
ƒ  Try adjusting the tx level and/or cable 
equalizer settings. 
ƒ Replace the FCU. 
Cross reference  
See error code 0-08. 
0-15  The other terminal is not  capable of specific 
functions.  The other terminal is not 
capable of accepting the 
following functions, or the other terminal’s memory 
is full. 
ƒ Confidential rx 
ƒ Transfer function 
ƒ SEP/SUB/PWD/SID 
0-16  CFR or FTT not detected  after modem training in  ƒ  Check the line connection. 
ƒ Replace the FCU.