Ricoh B230 Service Manual

							General Specifications 
SM 141 B786 
B786 
Fax Option 6. SPECIFICATIONS 
6.1 GENERAL SPECIFICATIONS 
6.1.1 FCU 
Type:  Desktop type transceiver 
Circuit: PSTN (max. 3ch.) 
PABX 
Connection: Direct couple 
Original Size: Book (Face down) 
Maximum Length: 432 mm [17 ins] 
Maximum Width: 297 mm [11.7 ins] 
ARDF (Face up) 
(Single-sided document) 
Length: 128 - 1200 mm [5.0 - 47.2 ins] 
Width: 105 - 297 mm [4.1 - 11.7 inch] 
(Double-sided document) 
Length: 128 - 432 mm [5.0 - 17 inch] 
Width: 105 - 297 mm [4.1 - 11.7 inch] 
Scanning Method:  Flat bed, with CCD 
Resolution: G3 
8 x 3.85 lines/mm (Standard) 
8 x 7.7 lines/mm (Detail) 
8 x 15.4 line/mm (Fine) See Note1 
16 x15.4 line/mm (Super Fine) See Note 1 
200 x 100 dpi (Standard) 
200 x 200 dpi (Detail) 
400 x 400 dpi (Super Fine) See Note 1 
 
1. Optional Expansion Memory required 
Transmission Time: G3: 3 s at 28800 bps; Measured with G3 ECM using memory 
for an ITU-T #1 test document (Slerexe letter) at standard 
resolution 
Data Compression:  MH, MR, MMR, JBIG 
Protocol:  Group 3 with ECM 
Modulation: V.34, V.33, V.17 (TCM), V.29 (QAM),  
V.27ter (PHM), V.8, V.21 (FM) 
Data Rate: G3: 33600/31200/28800/26400/24000/21600/ 
19200/16800/14400/12000/9600/7200/4800/2400 bps 
Automatic fallback  
						

							General Specifications 
B786 142  SM 
I/O Rate: With ECM: 0 ms/line 
Without ECM: 2.5, 5, 10, 20, or 40 ms/line 
Memory Capacity: ECM: 128 KB 
SAF 
Standard: 4 MB 
With optional Expansion Memory: 28 MB (4 MB+ 24 MB) 
Page Memory 
Standard: 4 MB (Print: 2 MB + Scanner: 2 MB) 
With optional Expansion Memory: 12 MB (4 MB + 8 MB) 
(Print 8 MB + Scanner: 4 MB) 
 
6.1.2 CAPABILITIES OF PROGRAMMABLE ITEMS 
The following table shows the capabilities of each programmable items. 
 
Item Standard 
Quick Dial  2000 
Groups 100 
Destination per Group  500 
Destinations dialed from the ten-key pad overall  500 
Programs 100 
Auto Document  6 
Communication records for Journal stored in the 
memory 200 
Specific Senders  30 
 
The following table shows how the capabilities of the document memory will change after 
the Expansion Memory are installed. 
 
 Without the 
Expansion MemoryWith the Expansion 
Memory 
Memory Transmission 
file 400 400 
Maximum number of 
page for memory 
transmission 1000 1000 
Memory capacity for 
memory transmission 320 2240  
						

							General Specifications 
SM 143 B786 
B786 
Fax Option 
( Note) 
 
ƒ  Measured using an ITU-T #1 test document (Slerexe letter) at the standard 
resolution, the auto image density mode and the Text mode.  
						

							IFAX Specifications 
B786 144  SM 
6.2 IFAX SPECIFICATIONS 
Connectivity: Local area network  
Ethernet 100base-Tx/10base-T 
IEEE1394 (IP over 1394) 
IEEE802.11b (wireless LAN) 
Resolution: Main scan: 400 dpi, 200 dpi 
Sub scan: 400 dpi, 200 dpi, 100 dpi  
ƒ  To use 400 dpi, IFAX SW01 Bit 4 must be set to “1”. 
Transmission 
Time: 1 s (through a LAN to the server) 
Condition: ITU-T #1 test document (Selerexe Letter) 
MTF correction: OFF 
TTI: None 
Resolution: 200 x 100 dpi 
Communication speed: 10 Mbps 
Correspondent device: E-mail server 
Line conditions: No terminal access 
Document Size: Maximum message width is A4/LT.  
ƒ  To use B4 and A3 width, IFAX SW00 Bit 1 (B4) and/or Bit 
2 (A3) must be set to “1”. 
E-mail File 
Format: Single/multi-part 
MIME conversion 
Image: TIFF-F (MH, MR, MMR) 
Protocol: Transmission: 
SMTP, TCP/IP 
Reception: 
POP3, SMTP, IMAP4, TCP/IP 
Data Rate: 100 Mbps(100base-Tx) 
10 Mbps (10base-T) 
Authentication 
Method: SMTP-AUTH 
POP before SMTP 
A-POP 
Remark:  The machine must be set up as an e-mail client before installation. 
Any client PCs connected to the machine through a LAN must 
also be e-mail clients, or some features will not work (e.g. 
Autorouting). 
  
						

							IP-FAX Specifications 
SM 145 B786 
B786 
Fax Option 
6.3 IP-FAX SPECIFICATIONS 
Network: Local Area  Network 
Ethernet/10base-T, 100base-TX 
IEEE1394 (IP over 1394) 
IEEE802.11b (wireless LAN) 
Scan line density: 8 x 3.85 lines/mm, 200x100dpi (standard character), 
8 x 7.7lines/mm, 200x200dpi (detail character), 
8 x 15.4lines/mm (fine character: optional expansion memory 
required), 
16 x 15.4lines/mm, 400x400dpi (super fine character: optional 
expansion memory required) 
Original size:  Maximum A3 or 11x 17 (DLT) 
Maximum scanning 
size: Standard: A3, 297mm x 432mm 
Irregular: 297mm x 1200mm 
Transmission 
protocol: Recommended: T.38 Annex protocol, TCP, UDP/IP 
communication 
Compatible 
machines: IP-Fax compatible machines 
IP-Fax transmission 
function: Specify IP address and send fax to an IP-Fax compatible fax 
through a network. 
Also capable of sending fax from a G3 fax connected to the 
public telephone lines via a VoIP gateway. 
IP-Fax reception 
function: Receive a fax sent from an IP-Fax compatible fax through a 
network. 
Also capable of receiving fax from a G3 fax connected the public 
telephone lines via a VoIP gateway. 
  
						

							Fax Unit Configuration 
B786 146  SM 
6.4  FAX UNIT CONFIGURATION 
 
 
Component Code No. Remarks 
MBU 1 
FCU 2 
FCU I/F  3 
Mother Board  4 
Speaker B786 
5 Included with fax unit 
Expansion Memory   G578  6  Optional 
CCU I/F Board  7 
SG3 Board  B787 
8 Optional 
SG3 Board  B787  9  Optiona 
Handset Type 1018  B433    NA only. Common with J-C2 
 
  
						

							 
 
 
 
ARDF DF3000 
B789  
						

							SM i B789 
Read This First 
Safety and Symbols 
Replacement Procedure Safety 
 
ƒ  Turn off the main power switch and unplug the machine before beginning any of 
the replacement procedures in this manual. 
  
Symbols Used in this Manual 
This manual uses the following symbols. 
: See or Refer to 
: Screws 
: Connector 
: Clip ring 
: E-ring  
						

							B789 ii  SM 
B789 
TABLE OF CONTENTS
 
 
Read This First............................................................................................................ i 
Safety and Symbols ......................................................................................... i 
Replacement Procedure Safety .................................................................... i 
Symbols Used in this Manual ........................................................................ i 
Table of Contents...................................................................................................... ii 
1. Replacement and Adjustment.................................................................... 1 
Covers and Tray .............................................................................................. 1 
Rear Cover ................................................................................................... 1 
Front Cover and Original Tray ...................................................................... 1 
Document Feed Components ......................................................................... 2 
Original Feed Unit........................................................................................ 2 
Pick-Up Roller .............................................................................................. 2 
Feed Belt ...................................................................................................... 3 
Separation Roller ......................................................................................... 4 
Electrical Components .................................................................................... 5 
ARDF Drive Board and DF Position Sensor ................................................. 5 
Original Length Sensors and Trailing Edge Sensor...................................... 5 
Original Set Sensor ...................................................................................... 6 
Original Size Sensors and Skew Correction Sensor .................................... 6 
Stamp Solenoid and Original Exit Sensor .................................................... 7 
Original Feed Drive ......................................................................................... 8 
Feed Motor ................................................................................................... 8 
Pick-up Solenoid .......................................................................................... 8 
Inverter Solenoid .......................................................................................... 9 
Feed Clutch ................................................................................................ 10 
Transport Motor...........................................................................................11 
2. Detailed Descriptions.................................................................................... 12 
Component Layout........................................................................................ 12 
Mechanical Component Layout .................................................................. 12 
Electrical Component Layout ..................................................................... 13