Sharp AL-840 (serv.man2) Service Manual / Specification ▷ View online
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.
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
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.
changed by user.
200 sheets
22–24 lbs. Standard
condition
condition
—
1 sheet
14–34 lbs.
(28
(28
∼
34.5 lbs. is available
for Letter size or smaller.)
Recycled paper/
Transparency film/
Label sheet/Envelope
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)
3.0 mm (Max)
Paper
transfer
direction
transfer
direction
356 mm
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)
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)
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)
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)
ASIC (HG73C025FD)
I. Image control (ICU)
Processor
ASIC (SLA303TF2B)
J. Memory
Type
Capacity
Contents
Location
DRAM
512 KB
Print data
ICU PWB
ROM
(EPROM)
(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
supply
+24 V
+12 V
+12 V
+5 V
+3.3 V
2.0 A
0.13 A
1.1 A
0.25 A
High voltage
power supply
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
M. Operating voltage/power consumption
Sub-
sidiaries
Power
supply
supply
voltage/
frequency
Power consumption
Power
save
mode
Ready
mode
Power
shut-
down
mode
mode
Average
(during
printing)
Max.
—
120V
50/60Hz
29 Wh/h
55 Wh/h
17 Wh/h
170 Wh/h
600 W
—
220–240V
50/60Hz
35 Wh/h
64 Wh/h
19 Wh/h
175 Wh/h
600 W
(Within Rated voltage
±
10% and Rated frequency
±
2%)
N. Safety/environmental standard
(1) Safety/environmental standard
Item
Standard name
Country
Safety standard
SEMKO
Sweden
NEMKO
Norway
DEKRA (GS MARK)
Germany
BSI
U.K
CUL UL
USA/Canada
FDA
USA
Radio wave noise
standard
standard
CE MARK
Europe
C-TICK
Australia
FCC
USA
Energy standard
ENERGY STAR
World wide
(Printer only)
(Printer only)
Environmental
standard
standard
—
—
(2) Ozon level
Very low (unmeasurable level)
(3) Noise level
Noise mode
Individual
Operating
mode
Ready mode
Power
shut-down
mode
Sound power
level
level
66
40
0 dB
Sound
pressure level
pressure level
54.8 dB
—
0 dB
O. Ambient conditions
(1) Occupied area
Main unit
460
×
650 mm (18.2
×
29.53 in.)
(2) Operating conditions
(3) Storage conditions (packed in the packing material)
(4) Transport condition (packed in the packing material)
(5) Atmospheric pressure
595 mmHg or above
(6) Standard condition
20 to 25°C 65
±
5% RH, Rating for different countries
10˚C
35˚C
85%
20%
30˚C, 85%
35˚C, 60%
Humidity
Temperature
RH
–10˚C
50˚C
90%
10%
40˚C, 90%
50˚C, 60%
Humidity
Temperature
RH
Machine
–10˚C
40˚C
90%
10%
40˚C, 90%
Humidity
Temperature
RH
Supply
−
25˚C
40˚C
90%
15%
30˚C, 90%
40˚C, 60%
Humidity
Temperature
RH
Machine
−
10˚C
40˚C
90%
10%
40˚C, 90%
Humidity
Temperature
RH
Supply
2 – 7
[3] CONSUMABLE PARTS
1. Configuration
No.
Part name (Item)
1
Photoconductor cartridge
2
Developer cartridge
2. List
A. Consumable parts for exclusive use
No.
Part name (Item)
(Single form)
(Compound form)
Note
Model name
Content
Parts item
Q’ty
Life
Model name
Q’ty
1
Photoconductor
cartridge
cartridge
AL-80DR
Photoconductor
cartridge
cartridge
1
20K
10
2
Developer cartridge
AL-80TD
Developer cartridge
1
3K
10
3. Details
(1) Photoconductor drum
Item
Specifications/Descriptions
Part name
Photoconductor cartridge
Model name
(Single unit)
(Single unit)
AL-80DR
Quantity
1
Model name
(Compound form)
(Compound form)
—
Quantity
10
Photo (Picture)
Type (Kind)
OPC
Form
Cartridge
1. Photoconductor cartridge
2. Developer cartridge
3 – 1
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