Read Sharp AR-280 (serv.man12) Service Manual online
Purpose
Section
Item
Function (Purpose)
Code
Main
Sub
Operation test/check
Paper transport
Operation
Used to check the operation of the
manual paper feed tray paper size
detector and the related circuit. (The
operation of the manual paper feed tray
paper size detector can be monitored with
the LCD.)
manual paper feed tray paper size
detector and the related circuit. (The
operation of the manual paper feed tray
paper size detector can be monitored with
the LCD.)
40
1
Paper transport
(Discharge/Switchback/
Transport)
(Discharge/Switchback/
Transport)
Operation
Used to check the oepration of the loads
(clutches and solenoids) in the paper
transport system and the control circuit.
(clutches and solenoids) in the paper
transport system and the control circuit.
6
1
Duplex
Operation
Used to check the operation of the loads
(clutches and solenoids) in the duplex
section and the control circuit.
(clutches and solenoids) in the duplex
section and the control circuit.
9
1
Duplex
Operation
Used to check the operation of sensors
and detectors in the duplex section and
the control circuit.
and detectors in the duplex section and
the control circuit.
2
Duplex
Operation
Used to check the operation of the duplex
unit alignment plate and its control circuit.
unit alignment plate and its control circuit.
4
Optical (Image
scanning)
scanning)
Operation
Used to check the operation of the
scanner unit and its control circuit.
scanner unit and its control circuit.
1
1
Optical (Image
scanning)
scanning)
Operation
Used to check the operatioin of sensors
and detectors in the scanner section and
the related circuit.
and detectors in the scanner section and
the related circuit.
2
Optical (Image
scanning)
scanning)
Operation
Used to check the oepration of the copy
lamp and the control circuit.
lamp and the control circuit.
5
3
Image process
(Photoconductor/
Developing/Transfer/
Cleaning)
(Photoconductor/
Developing/Transfer/
Cleaning)
Others
Operation
Used to check the operation of the
discharge lamp and the control circuit.
discharge lamp and the control circuit.
4
Image process
(Photoconductor/
Developing/Transfer/
Cleaning)
(Photoconductor/
Developing/Transfer/
Cleaning)
Developer/
Toner Hopper
Toner Hopper
Operation
Used to check the operation of the toner
motor and its control circuit.
(Note)
Do not execute this simulation with toner
in the toner hopper. If executed, excessive
toner may enter the developing section,
causing an overtoner trouble. Be sure to
remove the toner motor from the toner
hopper before executing this simulation.
motor and its control circuit.
(Note)
Do not execute this simulation with toner
in the toner hopper. If executed, excessive
toner may enter the developing section,
causing an overtoner trouble. Be sure to
remove the toner motor from the toner
hopper before executing this simulation.
10
0
Operation (Display/
Operation key)
Operation key)
Operation
Used to check the operation of the
display, LCD in the operation panel, and
control circuit.
display, LCD in the operation panel, and
control circuit.
5
1
Fixing (Fusing)
Operation
Used to check the operation of the heater
lamp and the control circuit.
lamp and the control circuit.
2
DRIVE
Operation
Used to check the operation of the main
drive (excluding the scanner section) amd
to check the operation of the toner
concentration sensor. (The toner
concentration sensor output can be
monitored.)
drive (excluding the scanner section) amd
to check the operation of the toner
concentration sensor. (The toner
concentration sensor output can be
monitored.)
25
1
ICU
Operation
Used to check the operation (read/write)
of ICU. (SIMM MEMORY/ONBOARD
MEMORY)
of ICU. (SIMM MEMORY/ONBOARD
MEMORY)
60
1
ICU
Operation
Used to check the operation of the A2
copyunit and the related circuit. Target
models: AR-F230/S280/F280S/F280R/
S330/280/285/335)
copyunit and the related circuit. Target
models: AR-F230/S280/F280S/F280R/
S330/280/285/335)
69
2
ADF/RADF/UDH/SPF
Operation
Used to adjust the time from detection of
the copy paper lead edge by PPD3 to
OFF of the transport roller clutch
(TRC2/TRC1).
The copy paper stops before reaching the
resist roller. This simulation is used to
adjust the stop position.
the copy paper lead edge by PPD3 to
OFF of the transport roller clutch
(TRC2/TRC1).
The copy paper stops before reaching the
resist roller. This simulation is used to
adjust the stop position.
2
1
ADF/RADF/UDH/SPF
Operation
Used to check the operation of sensors
and detectors in the RADF/ADF/SPF units
and the related circuit.
and detectors in the RADF/ADF/SPF units
and the related circuit.
2
ADF/RADF/UDH/SPF
Operation
Used to check the operation of the loads
in the RADF/ADF/SPF units and the
control circuits.
in the RADF/ADF/SPF units and the
control circuits.
3
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