DOWNLOAD Sharp AL-840 (serv.man4) Service Manual ↓ Size: 2.34 MB | Pages: 26 in PDF or view online for FREE

Model
AL-840 (serv.man4)
Pages
26
Size
2.34 MB
Type
PDF
Document
Service Manual
Brand
Device
Copying Equipment / AL800 840 Service Manual-System configuration Specifications Consumable parts Set up
File
al-840-sm4.pdf
Date
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Sharp AL-840 (serv.man4) Service Manual ▷ View online

*
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)
Paper
transfer
direction
2.5 mm (Std)
5.0 mm (Max)
2.0 mm (Std)
3.0 mm (Max)
(Top)
(Bottom)
Printed image
(printable area)
Printed vertical line
| D1-D2 |
D2
Paper
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
MS-DOS 3.3 +
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
Peppy
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
(Landscape)
Paper size
Value
A
B
C
D
E
F
G
H
LETTER
3300/6600
2550/5100
3200/6400
2456/4904
50/100
50/100
50/100
44/96
LEGAL
4200/8400
2550/5100
4100/8200
2456/4904
50/100
50/100
50/100
44/96
EXECUTIVE
3150/6300
2175/4350
3050/6100
2080/4152
50/100
50/100
50/100
45/98
A4
3507/7015
2480/4960
3407/6815
2384/4760
50/100
50/100
50/100
46/100
A5
2480/4960
1748/3496
2380/4760
1648/3296
50/100
50/100
50/100
50/100
COM-10
2850/5700
1236/2473
2750/5500
1136/2280
50/100
50/100
50/100
50/93
MONARCH
2250/4500
1161/2323
2150/4300
1064/2128
50/100
50/100
50/100
47/95
C5
2703/5407
1912/3825
2603/5207
1816/3632
50/100
50/100
50/100
46/93
DL
2598/5196
1299/2598
2498/4996
1200/2400
50/100
50/100
50/100
49/98
B5
3035/6070
2149/4299
2935/5870
2056/4104
50/100
50/100
50/100
43/95
FOOLSCAP
3720/7440
2550/5100
3620/7240
2456/4904
50/100
50/100
50/100
44/96
FOLIO
3900/7800
2550/5100
3800/7600
2456/4904
50/100
50/100
50/100
44/96
Government Printed Postcard
1748/3496
1181/2362
1648/3296
1088/2168
50/100
50/100
50/100
43/94
Japanese Envelope (Choukei 3)
2775/5551
1417/2834
2675/5351
1320/2640
50/100
50/100
50/100
47/94
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
f.
Image misalignment
Off center
0 
±
 2.0 mm or below
Horizontal misalignment
0 
±
 2.0 mm or below
g. Skew (Diagonality)
h. Distortion
Orthogonality
Image phase misalignment
i.
Paper size
Minimum
Maximum
AB system
A6 (105 
×
 148.5 mm)
A4 (210 
×
 297 mm)
Inch system
3-7/8" 
×
 8-7/8"
8-1/2" 
×
 14"
Printed vertical line
| D1-D2 |
D2
Paper
transfer
direction
269mm
D1
1.7mm
203mm
D
Printed vertical line
| D |
Print horizonal line
1mm
60
µ
m
2 – 4
3. ENGINE SPECIFICATION
A. Operation/display section
Display type
LED display
Operation type
Button/switch
B. Paper feed/transfer/finishing
(1) Details of paper feed section
AB system
Paper size
Capacity
Paper weight
Special paper
Notes
A4, B5, A5, B6, A6
250 sheets
56–80g/m
2
—
Paper guide are to be
changed by user.
200 sheets
81–90g/m
2
 Standard
condition
—
1 sheet
52–130 g/m
2
(104 
∼
 130 g/m
2
 is available
for A4 size or smaller.)
Recycled paper/
Transparency film/
Label sheet/Envelope
Inch system
Paper size
Capacity
Paper weight
Special paper
Notes
8-1/2" 
×
 14"
8-1/2" 
×
 11"
8-1/2" 
×
 5-1/2"
8-1/2" 
×
 13"
8-7/8" 
×
 12.4"
250 sheets
15–21 lbs.
—
Paper guide are to be
changed by user.
200 sheets
22–24 lbs. Standard
condition
—
1 sheet
14–34 lbs.
(28 
∼
 34.5 lbs. is available
for Letter size or smaller.)
Recycled paper/
Transparency film/
Label sheet/Envelope
(2) Details of finishing
Paper receiving tray
Paper size
Paper weight
Capacity
A4 (8-1/2" 
×
 11")
52–80g/m
2
 (15–21 lbs.)
50 sheets
81–90g/m
2
 (22–24 lbs.)
40 sheets
                                       Under standard condition
C. Scanner (reading) section
(1)
Type
Flat bed type/Monochrome
(2) Original positioning
Top left
 
(3) Resolution
Main scanning direction
Sub scanning direction
Standard
resolution
Virtual
resolution
Standard
resolution
Virtual
resolution
400 dpi
—
600 dpi (
*
)
—
(
*
) 300 dpi available
(4) Gradient
A/D (8 bit 256 steps)
(5) Readable area/size
a. Maximum readable size
(210 
×
 356 mm)
AB system
A4
Inch system
8-1/2" 
×
 14"
b. Scanning area
(6) Scanning speed
Copy ratio
Scanning
Speed
100%
50 mm/sec.
(7) Light source (Lamp)
Power voltage
AC 800 V (rms) 48 kHz
4.0 mm
1 ~ 5.0 mm
2.0 mm (Std)
3.0 mm (Max)
Paper
transfer
direction
356 mm
2.5 mm (Std)
5.0 mm (Max)
2.0 mm (Std)
3.0 mm (Max)
(Top)
(Bottom)
Printed image
(printable area)
216 mm
2 – 5
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