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

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

OTHER COUNTRIES (Inch)
OTHER COUNTRIES (AB)
Model
AL-800
AL-840
AL-800
AL-840
Tray (Universal)
Included
Included
Included
Included
Drum cartridge
Installed
Installed
Installed
Installed
TD cartridge (1.5K)
Included
Included
Included
Included
Original cover
Included
Included
Included
Included
AC power cord
Included
Included
Included
Included
Printer cable
N/A
Included
N/A
Included
Driver soft
N/A
CD-ROM
N/A
CD-ROM
Operation manual
Copier
Included
(Language: TBD)
Included
Included
Included
Printer
N/A
Included
N/A
Included
Warranty card (Registration card)
N/A
N/A
N/A
N/A
MSDS sheets
N/A
N/A
N/A
N/A
POP label
N/A
N/A
N/A
N/A
Dust cover
N/A (
*
1)
N/A (
*
1)
N/A (
*
1)
N/A (
*
1)
User card (Aiyousya card)
N/A
N/A
N/A
N/A
Digital logo
TBD
TBD
TBD
TBD
*
1: except a part of area
2. STRUCTURE
A. Hardware
Block diagram
CCD PWB
CPU
H8S
DRAM
ASIC
I/F
A/D
EEPROM
RAM
ROM
SRAM
32kX8
SRAM
32kX8
Power SW
DRAM
16Mbit
DRAM
16Mbit
DRAM
16Mbit
MCU (PCU) PWB
Image process ASIC
CCD control
Data select
Motor driver
ICU PWB
Paper in sensor
High voltage
PWB
Driver
Motor driver
High voltage unit
Main charger roller
Drum
OPC cartridge
LSU unit
Laser
Pickup solenoid
Main motor
Transfer roller
Polygon motor
CCD
Amplifier
Scanner motor
FAN motor
Home position sensor
Paper size sensor
Toner sensor
Invertor
Scanner
lamp
Image
process
Heat roller
Thermistor
Heater lamp
Power PWB unit
Developer cartridge
Doctor
Earth sheet
Developing
roller
Control
electrode
Paper exit
sensor
Laser beam
sensor
Operation panel PWB
Key switch
Display lamp
Temperature
fuse
Temperature
fuse
1 – 3
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
MS-DOS 3.3 +
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
MS-DOS 3.3 +
MS-Windows 3.1X or later
MS-Windows 95
MS-Windows NT 4.0
Peppy
Nibble
CCD
DRAM
ASIC
I/F
CPU BUS
analog
image data
image data
image data (V DATA)
image data
A/D
image data(LD)
CPU
H8S
ROM
RAM
EEPROM
SRAM
32kbitx8
SRAM
32kbitx8
serial data
(OP DATA/KIN1/KIN2)
DRAM
16Mbit
DRAM
16Mbit
DRAM
16Mbit
serial data (EEPD)
(CCD OUT)
(CCDD0~7)
image data
(Data1~8)
(VIDEO)
serial data
(SDATA)
CCD PWB
Amplifier
Image process 
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)
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
MS-DOS 3.3 +
MS-Windows 3.1X or later
MS-Windows 95/98
MS-Windows NT 4.0
Sleek type
GDI
Not
supported
<2> Interface
Type
Host computer
Operating system
Protocol
IEEE1284 P
(2 ports)
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
(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)
50, 70, 86, 100, 141, 200%
Fixed ratio mode
(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)
8 CPM
8 CPM
8 CPM
B5
(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
±
 2.0 mm or below
Horizontal misalignment
±
 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
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