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
PREV: Sharp AL-840 (serv.man3) Service Manual

Sharp AL-840 (serv.man4) Service Manual ▷ View online

(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
(8) Scanning sensor
Type
Reduction optical image sensor (CCD)
Monochrome
D. Scanner (Exposure) section
(1) Type
(2) Resolution
Main scanning direction
Sub scanning direction
600 dpi
600 dpi
(3) Gradient
2 steps
(4) Details of Laser unit
Revolution
11,811 rpm
Number of mirrors
6
Laser power
0.35 mw
Laser beam size
75 
×
 65 
µ
m
Laser wave length
785 nm
E. Imaging process section
(1) Imaging speed
50 mm/sec.
(2) Photoconductor (Drum)
Type
OPC (
φ
 24 mm)
Life time
20,000 sheets
(3) Toner
Type
Developer cartridge color: black
Capacity/Life time
3,000 sheets (1,500 sheets with initially
installed cartridge) (A4 5% cover ratio)
(4) Charging
Method
Brush charging method
Voltage
DC-850 V AC 600 V (P-P)
(5) Transfer
Method
Transfer roller method
Voltage
DC+3.5 kV AC 600 V (P-P)
(6) Exposure
Method
Semiconductor laser method
(7) Develop
Method
Mono component non-magnetic method
Voltage
–310 V
(8) Separation
Method
Separation charger type/method
(9) Discharge (Japan only)
Method
Discharge brush type
(10) Cleaning
Method
By developing roller
Voltage
+200 V
F. Fusing
(1)
Method
Quick heat-up with pressure roller method
(2) Lamp
Type
Main unit
power supply
Voltage
Power
consumption
Halogen lamp
100/120/230 V
100/120/230 V
500 W
(3) Fusing temperature
Ready mode/
Print mode
Power save mode
Print mode (after
20th sheet in the
multi print mode)
160°C
80°C
155°C
(4) Heat roller
Type
Teflon coated roller
(5) Pressure roller
Type
Silicone rubber roller
(6) Separation method
Forced separation by separation pawl
G. Power drive
Stepping motor (Main motor)
H. Engine control MCU (PCU)
Processor
CPU (H8S2350FP)
ASIC (HG73C025FD)
I. Image control (ICU)
Processor
ASIC (SLA303TF2B)
J. Memory
Type
Capacity
Contents
Location
DRAM
512 KB
Print data
ICU PWB
ROM
(EPROM)
1 M bit
Program
MCU (PCU) PWB
DRAM
16 M bit 
×
 3
Copy image data
MCU (PCU) PWB
EEPROM
2 K bit
Control data
MCU (PCU) PWB
SRAM
32 K bytes
×
 2
Line image data
MCU (PCU) PWB
RAM
265 K bit 
×
 2
Work memory
MCU (PCU) PWB
K. Interface
Type
Items
Operating system
IEEE1284P
Protocol
Peppy/Nibble
Data transfer speed
3 Mbit/sec (Max)
Connector type
—
L. Power supply
Type
Output
Voltage
Current
Notes
DC power
supply
+24 V
+12 V
+5 V
+3.3 V
2.0 A
0.13 A
1.1 A
0.25 A
High voltage
power supply
DC –310 V (+200 V)
DC +3.5 KV (AC 600 V P-P)
DC –850 V (AC 600 V P-P)
—
2 – 6
Page of 26
Display

Click on the first or last page to see other AL-840 (serv.man4) service manuals if exist.

RANDOM: