Ricoh Mp C3000 Service Manual

							 
 
Read This First 
Important Safety Notices 
 
ƒ  Never install telephone wiring during a lightning storm.  
ƒ  Never install telephone jacks in wet lo cations unless the jack is specifically 
designed for wet locations.  
ƒ  Never touch uninsulated telephone wires or terminals unless the telephone line  has been disconnected at the  network interface.  
ƒ  Use caution when installing or  modifying telephone lines.  
ƒ  Avoid using a telephone (other than a cordless type) during an electrical storm.  There may be remote risk of electric shock from lightning.  
ƒ  Do not use a telephone or cellular phone to r eport a gas leak in the vicinity of the 
leak. 
 
ƒ  Before installing the fax unit, switch of f the main switch, and disconnect the power 
cord.  
ƒ  The fax unit contains a lithium battery. T he danger of explosion exists if a battery 
of this type is incorrectly replaced. Re place only with the same or an equivalent 
type recommended by the manufacturer. Disca rd batteries in accordance with the 
manufacturer’s instructions and local regulations. 
 
ƒ  Note for Australia :  
ƒ  Unit must be connected to Telecommuni cation Network through a line cord which 
meets the requirements of ACA Technical Standard TS008. 
Symbols and Abbreviations 
Conventions Used in this Manual 
This manual uses several symbols. 
Symbol  What it means  
 Refer to section number 
  Screw 
 Connector 
  E-ring  
						

							Fax Unit (B786) 
 
 Clip ring 
 Clamp 
 
 
Cautions, Notes, etc. 
The following headings provide special information: 
 
ƒ  Failure to obey warning information c ould result in serious injury or death. 
 
ƒ  Obey these guidelines to ensure safe  operation and prevent minor injuries. 
 
ƒ  Obey these guidelines to avoid problem s such as misfeeds, damage to originals, 
loss of valuable data and to prevent damage to the machine. 
ƒ  Always obey these guidelines to avoi d serious problems such as misfeeds, 
damage to originals, loss of valuable data and to prevent damage to the machine. 
bold is added for emphasis.  
 
ƒ  This information provides tips and advic e about how to best service the machine.  
						

							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 condi tion 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 bet ween the mother board connector and 
BICU connector (CN512) is firm when re installing the mother board to the 
BICU board.  
						

							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 scr ews 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 Installation in the Service Manual for the Fax Unit 
(B786). 
 
17.  Attach the ferrite core [J] to the telephone cord [K]. 
18.  Connect the telephone cord [K] to the LINE 1 jack.  
						

							Fax Unit (B786) 
B786 6  SM 
 
19.  Replace the third key-slot cove r [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 operat ion panel after you have turned the 
main switch on. Turn the main switch off and on again for normal use. 
23.  Make sure that the date and time are correctly set.  
						

							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 condi tion 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 disc onnect the power cord and the network 
cable. 
You can add two more G3 boards to this m odel. 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 board or LINE 2 and LINE 3 
covers for installing the double G3 boards. 
 
3.  Loosen the eight screws (
 x 8), and remove the four screws ( x 4) if the fax unit 
has already been installed.