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BOARDS
SM 119 B547
Fax Op
tion
B54
7
4.2 BOARDS
4.2.1 FCU
The FCU (Facsimile Control Unit) controls fax communications, the video interface
to the base copier’s engine, and all the fax options.
FACE (Fax Application Control Engine)
•
CPU
•
Data compression and reconstruction (DCR)
•
DMA control
•
Clock generation
•
DRAM backup control
•
Ringing signal/tone detection
FBI (FACE Bridge Interface)
•
Interface between the PCI bus and the FACE
•
DMA controll
Modem (R288F-29)
•
V.34, V33, V17, V.29, V.27ter, V.21, and V.8
SG3
SG3
SRAM
(512 kB)
Flash ROM
(3 MB)
Analog
Circuit
V.34
MODEM
Monitor
Speaker
NCU
Function
Upgrade Unit
(512 kB)
DIMM
(32 MB)
DRAM
(8 MB)
FBI
CPU BUS
DMA BUS
MB
VIF
DCR
CPU
(RU30)
FACE
B360D510.WMF
Summary of Contents for B079
Page 1: ...B079 B082 SERVICE MANUAL 001634MIU RICOH GROUP COMPANIES ...
Page 2: ......
Page 3: ...B079 B082 SERVICE MANUAL RICOH GROUP COMPANIES ...
Page 4: ......
Page 5: ...B079 B082 SERVICE MANUAL 001634MIU ...
Page 6: ......
Page 8: ......
Page 10: ......
Page 12: ......
Page 26: ......
Page 28: ......
Page 29: ...INSTALLATION ...
Page 30: ......
Page 101: ...PREVENTIVE MAINTENANCE ...
Page 102: ......
Page 107: ...REPLACEMENT AND ADJUSTMENT ...
Page 108: ......
Page 196: ......
Page 197: ...TROUBLESHOOTING ...
Page 198: ......
Page 221: ...Trouble shooting SERVICE CALL CONDITIONS SM 4 23 B079 B082 INTENTIONALLY LEFT BLANK ...
Page 225: ...SERVICE TABLES ...
Page 226: ......
Page 330: ......
Page 331: ...DETAILED SECTION DESCRIPTIONS ...
Page 332: ......
Page 436: ......
Page 437: ...SPECIFICATIONS ...
Page 438: ......
Page 448: ......
Page 449: ...BOOKLET FINISHER B546 ...
Page 450: ......
Page 497: ...AUTO REVERSE DOCUMENT FEEDER B541 ...
Page 498: ......
Page 525: ...LARGE CAPACITY TRAY B543 ...
Page 526: ......
Page 528: ......
Page 543: ...PAPER TRAY UNIT B542 ...
Page 544: ......
Page 546: ......
Page 565: ...1 BIN TRAY B544 ...
Page 566: ......
Page 568: ......
Page 576: ......
Page 577: ...1000 SHEET FINISHER B408 ...
Page 578: ......
Page 580: ......
Page 605: ...TWO TRAY FINISHER B545 ...
Page 606: ......
Page 643: ...BRIDGE UNIT B538 ...
Page 651: ...PRINTER OPTION B548 ...
Page 652: ......
Page 703: ...FAX OPTION B547 ...
Page 704: ......
Page 708: ......
Page 851: ...TECHNICAL SERVICE BULLETINS ...
Page 853: ...BRIDGE UNIT B538 ...
Page 908: ...Trouble shooting SERVICE CALL CONDITIONS SM 4 23 B079 B082 INTENTIONALLY LEFT BLANK ...
Page 941: ...FIRMWARE HISTORY ...