AM-300 (serv.man5). Chapter 5 (Circuit Description). - Sharp Copying Equipment Service Manual (repair manual). Page 21

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AM-300DE
5 – 21
[6] Data flow chart
1. COPY
2. PC PRINT
3. 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
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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