Ricoh B064 Service Manual page 849

2. MACHINE CONFIGURATION ...................................................................7-4
2.1 Component Layout ..................................................................................7-5
2.1.1 Copier Engine.......................................................................................7-5
2.1.2 PAPER PATH (WITH COVER INTERPOSER TRAY) ..........................7-7
2.1.3 PAPER PATH (WITH 9-BIN MAILBOX)................................................7-8
2.1.4 DRIVE LAYOUT ...................................................................................7-9
2.2 BOARD STRUCTURE...........................................................................7-10
2.2.1 BLOCK DIAGRAM..............................................................................7-10
2.2.2 COMPONENT DESCRIPTIONS.........................................................7-11
2.2.2.1 BCU (Base Engine Control Unit)......................................................7-11
2.2.2.2 Controller Board ..............................................................................7-11
2.2.2.3 MB (Mother Board) ..........................................................................7-11
2.2.2.4 IPU (Image Processing Unit) ...........................................................7-11
2.2.2.5 SBU (Sensor Board Unit).................................................................7-12
2.2.2.6 PFC (Paper Feed Control)...............................................................7-12
2.2.2.7 SDRB (Scanner Driver Board) .........................................................7-12
2.2.2.8 VIB (Video Interface Board).............................................................7-12
2.2.2.9 DRB (Drive Board)...........................................................................7-12
2.2.2.10 CNB (Connection Board) ...............................................................7-12
2.2.2.11 HDD (Hard Disk Drive) ..................................................................7-13
2.3 OPTIONAL EQUIPMENT ......................................................................7-14
2.3.1 A3/DLT KIT B475 ...............................................................................7-14
2.3.2 LCT (LARGE CAPACITY TRAY) B473...............................................7-14
2.3.3 3000-SHEET FINISHER WITH SADDLE-STITCH AND
50-SHEET STAPLER B468...................................................................7-14
UPPER TRAY ..............................................................................................7-14
LOWER TRAY .............................................................................................7-15
PROOF TRAY..............................................................................................7-15
STAPLE SPECIFICATIONS.........................................................................7-15
LOWER TRAY .............................................................................................7-15
2.3.4 3000-SHEET FINISHER WITH 50-SHEET STAPLER B468...............7-16
LOWER TRAY .............................................................................................7-16
PROOF TRAY..............................................................................................7-16
STAPLE SPECIFICATIONS.........................................................................7-16
LOWER TRAY .............................................................................................7-16
2.3.5 PUNCH UNIT FOR B468/B469 ..........................................................7-17
2.3.6 COVER INTERPOSER TRAY B470...................................................7-17
2.3.6.1 Cover Interposer Tray B470 Paper Sizes ........................................7-18
2.3.7 9-BIN MAILBOX B471 ........................................................................7-18
Component Lists ..........................................................................................7-19
Main Copier..................................................................................................7-19
Mailbox.........................................................................................................7-24
Large Capacity Tray .....................................................................................7-25
Cover Interposer ..........................................................................................7-26
FIRMWARE HISTORY
8.1 FIRMWARE MODIFICATION HISTORY.....................................................8 -1
8.1.1 BCU FIRMWARE MODIFICATION HISTORY........................................8 - 1
8.1.2 GW FIRMWARE MODIFICATION HISTORY.......................................8 - 3
8.1.3 LCDC FIRMWARE MODIFICATION HISTORY ......................................8 - 5
B064/B065 xii
Rev. 01/2003
SM