Read Sharp AL-840 (serv.man4) Service Manual online
B. Firmware
Block diagram
3. SOFTWARE
Items
Contents
Media
GDI Printer driver
Printer driver
CD-ROM
4. OPERATING ENVIRONMENT
(1) System requirements
Host computer
Operating system
Emulation
Plug and play
Network
IBM PC/AT or
100% compatible
100% compatible
MS-DOS 3.3 +
MS-Windows 3.1X or later
MS-Windows 95/98
MS-Windows NT 4.0
MS-Windows 3.1X or later
MS-Windows 95/98
MS-Windows NT 4.0
Sleek type GDI
Supported
Not supported
(2) Interface
Type
Host computer
Operating system
Protocol
IEEE1284P x2
IBM PC/AT or
100% compatible
100% compatible
MS-DOS 3.3 +
MS-Windows 3.1X or later
MS-Windows 95
MS-Windows NT 4.0
MS-Windows 3.1X or later
MS-Windows 95
MS-Windows NT 4.0
Peppy
Nibble
Nibble
CCD
DRAM
ASIC
I/F
CPU BUS
analog
image data
image data
image data
image data (V DATA)
image data
A/D
image data(LD)
CPU
H8S
H8S
ROM
RAM
EEPROM
SRAM
32kbitx8
SRAM
32kbitx8
serial data
(OP DATA/KIN1/KIN2)
DRAM
16Mbit
16Mbit
DRAM
16Mbit
16Mbit
DRAM
16Mbit
16Mbit
serial data (EEPD)
(CCD OUT)
(CCDD0~7)
image data
(Data1~8)
(VIDEO)
serial data
(SDATA)
CCD PWB
Amplifier
Image process
ASIC
ASIC
Image
process
Data select
LSU unit
Laser
Operation panel
Main control PWB
I/F PWB
1 – 4
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