Read Sharp AL-840 (serv.man4) Service Manual 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
H8S
DRAM
ASIC
I/F
A/D
EEPROM
RAM
ROM
SRAM
32kX8
32kX8
SRAM
32kX8
32kX8
Power SW
DRAM
16Mbit
16Mbit
DRAM
16Mbit
16Mbit
DRAM
16Mbit
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
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