Sharp AL-840 (serv.man4) Service Manual ▷ View 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
[2] SPECIFICATIONS
1. BASIC SPECIFICATIONS
(1) Types
Model type
Desktop type
Scanning type
Flat bed/Monochrome type
Printing type
(Emulation type)
(Emulation type)
Electronic photographic type
GDI
(2) Target users
Print Volume
AL-800
AL-840
Average
200 sheet/month
450 sheet/month
Maximum
500 sheet/month
1,000 sheet/month
(3) Operating environment
Printer mode
<1> System requirements
Host computer
Operating system
Emulation
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
GDI
Not
supported
supported
<2> Interface
Type
Host computer
Operating system
Protocol
IEEE1284 P
(2 ports)
(2 ports)
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
Peppy
Nibble
Nibble
(4) Outer dimensions
Packaged
560
×
440
×
385 mm (22.1"
×
17.3"
×
15.2")
Machine
460
×
425
×
229 mm (18.2"
×
16.8"
×
9.02")
(5) Weight
Packaged
12.80 Kg
Machine
11.00 Kg
(6) Machine life
60K prints or 5 years
2. OPERATION (PERFORMANCE)
A. Common operation
Warm-up/Jam recovery
a. Warm-up time
Warm-up time after power ON
0 sec
Recovery time from power save mode
0 sec
Jam recovery time
0 sec
b. Jam recovery time
B. Copy mode
(1) Max. original size
8-1/2"
×
14", A4 (210
×
356 mm)
(2) Exposure mode
Exposure mode
Steps for exposure
Toner save mode
Automatic
—
Available
Manual
5 steps
Available
Photo
5 steps
Non
(3) Copy ratio
Copy ratio
Zoom ratio range/fixed ratio
Zoom mode
50% to 200% (151 steps in 1% increments)
Fixed ratio mode
(AB system)
(AB system)
50, 70, 86, 100, 141, 200%
Fixed ratio mode
(Inch system)
(Inch system)
50, 64, 78, 100, 129, 200%
Zooming accuracy
Same size copying: 100%
±
1.0%
Enlargement copying : Set copy ratio
±
1.0%
Reduction copying: Set copy ratio
±
1.0%
(4) Job speed
a. First copy time
Mode
Time
Normal mode
12.5 sec
Preheat mode
21 sec
Auto power shut-off mode
23 sec
b. Copying speed for each paper size and reduction/enlargement
(CPM)
Paper size
Copy ratio
Same size
Reduction
(50% to 99%)
Enlargement
(101% to 200%)
A4
(Short edge feed)
(Short edge feed)
8 CPM
8 CPM
8 CPM
B5
(Short edge feed)
(Short edge feed)
8 CPM
8 CPM
8 CPM
8-1/2"
×
14"
(Short edge feed)
7 CPM
7 CPM
7 CPM
8-1/2"
×
11"
(Short edge feed)
8 CPM
8 CPM
8 CPM
(5) Max. number of continuous copies
50 copies
(6) Exposure
a. Exposure mode/Processing
Exposure mode
Function
Automatic
Error diffusion
Manual
Error diffusion
Photo
Error diffusion
b. Toner save
Yield of Toner save mode
5% area coverage
(When using 3K toner cartridge)
c. Zooming type
Main scanning direction
Software computation
Sub scanning direction
Scanning speed
d. Resolution
*
Scanning
Main scanning direction
Sub scanning direction
Standard resolution
Virtual
resolution
Standard resolution
Virtual
resolution
Scanner
400 dpi
—
Scanner
600 dpi
—
Copier
600 dpi
—
Copier
600 dpi
—
2 – 1
*
Printing
Main scanning direction
Sub scanning direction
Standard
resolution
Virtual
resolution
Standard
resolution
Virtual
resolution
600 dpi
—
600 dpi
—
Copy ratio
Position
Center
Corner
Same size
5.0 line/mm
4.5 line/mm
Enlargement (101% to 200%)
5.0 line/mm
4.5 line/mm
Reduction (50% to 99%)
4.0 line/mm
4.0 line/mm
e. Exposure gradient
Error diffusion method.
f.
Copy (Print) Area
g. Image misalignment
Off center
0
±
2.0 mm or below
Horizontal misalignment
0
±
2.0 mm or below
h. Skew (Diagonality)
i.
Distortion
Orthogonality
Image phase misalignment
j.
Original size
Minimum
Maximum
AB system
A6 (105
×
148.5 mm)
A4 (210
×
297 mm)
Inch system
3-7/8"
×
5-7/8"
8-1/2"
×
14"
k. Paper size
Minimum
Maximum
AB system
A6 (105
×
148.5 mm)
A4 (210
×
297 mm)
Inch system
3-7/8"
×
5-7/8"
8-1/2"
×
14"
1 ~ 5.0 mm
2.0 mm (Std)
3.0 mm (Max)
3.0 mm (Max)
Paper
transfer
direction
transfer
direction
2.5 mm (Std)
5.0 mm (Max)
5.0 mm (Max)
2.0 mm (Std)
3.0 mm (Max)
3.0 mm (Max)
(Top)
(Bottom)
Printed image
(printable area)
(printable area)
Printed vertical line
| D1-D2 |
D2
Paper
transfer
direction
transfer
direction
269mm
D1
1.7mm
203mm
D
Printed vertical line
| D |
Print horizonal line
1mm
60
µ
m
C. Printer mode
(1) System requirements
a. Operating conditions
Host computer
Operating system
Emulation
Driver
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
GDI printer driver
Supported
Not supported
b. Interface
Type
Host computer
Operating system
Protocol
IEEE1284 P
×
2
IBM PC/AT or 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
Peppy
Nibble
Nibble
2 – 2
(2) Job speed
a. First print time
Mode
Paper feed mode
Normal
20 sec
Power save
20 sec
(A4 (8-1/2"
×
11"), Not including the communication time to the
host PC and the set up time of polygon mirror)
b. Print speed
Paper size
8 ppm (A4, 8-1/2"
×
11", Sharp standard paper)
(3) Image quality
a. Resolution
*
Printing
Main scanning direction
Sub scanning direction
Standard
resolution
Virtual
resolution
Standard
resolution
Virtual
resolution
600 dpi
∗
—
600 dpi
∗
—
∗
300 dpi selectable
b. Gradient
Gradient
Binary (Dither pattern method)
c. Image treatment
Image treatment
Dither pattern method
d. Toner save
Yield of toner save mode
5% area coverage
e. Print area
(Portrait)
Paper size
Value
A
B
C
D
E
F
G
H
LETTER
2550/5100
3300/6600
2456/4904
3200/6400
50/100
44/96
50/100
50/100
LEGAL
2550/5100
4200/8400
2456/4904
4100/8200
50/100
44/96
50/100
50/100
EXECUTIVE
2175/4350
3150/6300
2080/4152
3050/6100
50/100
45/98
50/100
50/100
A4
2480/4960
3507/7015
2384/4760
3407/6815
50/100
46/100
50/100
50/100
A5
1748/3496
2480/4960
1648/3296
2380/4760
50/100
50/100
50/100
50/100
COM-10
1236/2473
2850/5700
1136/2280
2750/5500
50/100
50/93
50/100
50/100
MONARCH
1161/2323
2250/4500
1064/2128
2150/4300
50/100
47/95
50/100
50/100
C5
1912/3825
2703/5407
1816/3632
2603/5207
50/100
46/93
50/100
50/100
DL
1299/2598
2598/5196
1200/2400
2498/4996
50/100
49/98
50/100
50/100
B5
2149/4299
3035/6070
2056/4104
2935/5870
50/100
43/95
50/100
50/100
FOOLSCAP
2550/5100
3720/7440
2456/4904
3620/7240
50/100
44/96
50/100
50/100
FOLIO
2550/5100
3900/7800
2456/4904
3800/7600
50/100
44/96
50/100
50/100
Government Printed Postcard
1181/2362
1748/3496
1088/2168
1648/3296
50/100
43/94
50/100
50/100
Japanese Envelop (Choukei 3)
1417/2834
2775/5551
1320/2640
2675/5351
50/100
47/94
50/100
50/100
A
B
C
D
E
F
G
H
Ph
ysical Page
Logical Page
A. Physical page width
B. Physical page height
C. Logical page width
D. Width difference between Physical page and HP-GL-2 picture
frame
E. Height difference between Physical page and Logical page
F. Height difference between Physical page and HP-GL-2 picture
frame
G. Printable width
H. Distance between Top edge and Bottom edge in Physical
page
2 – 3
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