Read Sharp AM-400 (serv.man5) Service Manual online
AM-400DE
5 – 25
[7] Data flow chart
1. COPY
2. FAX/SEND
3. FAX RECEIVE
4. PC PRINT
5. PC SCAN
CIS
SDRAM
(IC4)
Laser Scan
Unit
1
2
4
Control PWB
3
OA-2000
(IC1)
5
LSU I/F controlled
by Printer CPU
Printing
CIS
SDRAM
(IC4)
LIU PWB
1
2
4
Control PWB
3
OA-2000
(IC1)
5
FAX MODEM
(IC18)
PSTN
TEL LINE
TEL LINE
LIU PWB
FAX
MODEM
(IC18)
OA-2000
(IC1)
1
SDRAM
(IC4)
PSTN
LSU I/F
controlled by
Printer CPU
Control PWB
2
3
4
6
Laser Scan
Unit
Printing
PC
SDRAM
(IC4)
Laser Scan
Unit
1
2
4
Control PWB
3
OA-2000
(IC1)
5
LSU I/F
controlled by
Printer CPU
Printing
USB
CIS
SDRAM
(IC4)
1
2
4
Control PWB
3
OA-2000
(IC1)
PC
USB
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