
25
UF-5500 / 4500
6.3.
Main Board Section
6.3.1.
Data Flow
[FAX Tx]
1. An analog image data is output from CIS unit to IC503.
IC503 decodes the analog data to digital data, and outputs to IC300.
Scanner I/F in IC300 process image data and stores it in IC400
through SDRAM I/F.
2. CPU compresses the data in IC400.
3. CPU transfer the data to MODEM
and outputs it to TEL LINE through DAA circuit.
CN59
CN510
CN61/71
CN500
SDRAM
MODEM
Scanner
I/F
Print I/F
AFE
IC503
IC400
IC300
Main Board
CIS Relay Board
CN300
SDRAM
I/F
CN750
LAN
USB
USB
I/F
CPU
DAA
IC100
IC101
PHY
LAN
I/F
DSP
JBIG
CN100
IC750
CI S unit
LSU
TEL
LINE
PC
UF-5500 ONLY
[FAX Rx]
1. FAX data is input from TEL LINE to MODEM in IC300
through DAA circuit.
And then stored it in IC400 through SDRAM I/F.
2. CPU decompresses the data in IC400.
3. Print I/F retrieves the data from IC400 and outputs it to LSU.
CN59
CN510
CN500
SDRAM
MODEM
Scanner
I/F
Print I/F
AFE
IC503
IC400
IC300
Main Board
CN300
SDRAM
I/F
CN750
LAN
USB
USB
I/F
CPU
DAA
IC100
IC101
PHY
LAN
I/F
DSP
JBIG
CN100
IC750
CI S unit
LSU
TEL
LINE
PC
CN61/71
UF-5500 ONLY
CIS Relay Board
Summary of Contents for UF-4500
Page 180: ...180 UF 5500 4500 ...
Page 248: ...248 UF 5500 4500 13 5 Test Chart 13 5 1 ITU T No 1 Test Chart ...
Page 249: ...249 UF 5500 4500 13 5 2 ITU T No 2 Test Chart ...
Page 281: ...281 UF 5500 4500 10 10 11 15 12 17 18 19 20 21 22 23 24 28 29 30 27 25 26 21 13 14 16 30 ...
Page 287: ...287 UF 5500 4500 130 131 132 133 134 135 136 137 138 139 140 141 PCB2 A UF 5500 only CN1 ...
Page 297: ...297 UF 5500 4500 ...
Page 305: ...305 UF 5500 4500 ...
Page 311: ...311 UF 5500 4500 501 502 503 504 506 507 505 508 509 511 510 514 513 512 P51 P53 P54 A51 P52 ...
Page 362: ...362 UF 5500 4500 ...