Ricoh B064 Service Manual page 24

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 B469 ....7-16
UPPER TRAY ...................................................................................7-16
PROOF TRAY...................................................................................7-16
STAPLE SPECIFICATIONS .............................................................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
3. 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..............................................8-2
8.1.3 LCDC Firmware Modification History ..........................................8-4
B064/B065 xii
Rev. 11/2002
SM