Sharp AR-285 (serv.man12) Service Manual ▷ View 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
8 – 14
Purpose
Section
Item
Function (Purpose)
Code
Main
Sub
Operation test/check
Sorter/Finisher
Operation
Used to check the operation of sensors
and detectors in the sorter and the related
circuit.
and detectors in the sorter and the related
circuit.
3
2
Sorter/Finisher
Operation
Used to check the operation of the loads
in the sorter and the control circuit.
in the sorter and the control circuit.
3
Printer
Operation
Used to check the operation of the printer
function (auto print operation). (Print
pattern, paper feed mode, print mode, the
number of sheets, and the density can be
set to an arbitrary value.)
function (auto print operation). (Print
pattern, paper feed mode, print mode, the
number of sheets, and the density can be
set to an arbitrary value.)
64
1
Interface
Operation
Used to check the operation of infrared
communication I/F (Zaurus link) and the
related circuit. (Target models:
AR-F230/S280/F280S/F280R/S330)(Japan
models only)
communication I/F (Zaurus link) and the
related circuit. (Target models:
AR-F230/S280/F280S/F280R/S330)(Japan
models only)
68
1
Memory
Operation
Used to check the operation (read/write)
of the hard disk. (Target models:
AR-S330/280/285/335)(Models with the
hard disk installed only.) (Partial check)
of the hard disk. (Target models:
AR-S330/280/285/335)(Models with the
hard disk installed only.) (Partial check)
62
2
Memory
Operation
Used to check the operation (read/write)
of the hard disk. (Target models:
AR-S330/280/285/335) (Only the models
with a hard disk) (All area check)
of the hard disk. (Target models:
AR-S330/280/285/335) (Only the models
with a hard disk) (All area check)
3
Laser (Exposure)
Operation
Used to test the operation of the laser
(exposure) unit.
(exposure) unit.
61
1
Others
Operation
Used to check the operation of each fan
motor and its control circuit.
motor and its control circuit.
6
2
Others
Operation
Used to check the operation of sensors
and detectors in the sections other than
the paper feed section of the copier and
the related circuit. (The operation of
sensors and detectors can be monitored
with the LCD.)
and detectors in the sections other than
the paper feed section of the copier and
the related circuit. (The operation of
sensors and detectors can be monitored
with the LCD.)
30
1
Others
Operation
Used to check the operation of the
document size sensor and the related
circuit. (The document size sensor output
level can be monitored with the LCD.)
document size sensor and the related
circuit. (The document size sensor output
level can be monitored with the LCD.)
41
3
Operation
test/check/Operation
data output/Check
(Display/Print)
test/check/Operation
data output/Check
(Display/Print)
Others
Operation
Used to check the operation of the
document size sensor and the related
circuit. (The operation of the document
size sensor can be monitored with the
LCD.)
document size sensor and the related
circuit. (The operation of the document
size sensor can be monitored with the
LCD.)
1
Data clear
Counter
Used to clear the misfeed counter, the
misfeed history, the trouble counter, and
the trouble history. (The counters are
cleared after completion of maintenance.)
misfeed history, the trouble counter, and
the trouble history. (The counters are
cleared after completion of maintenance.)
24
1
Counter
Used to clear the data of the number of
use of the staple, the ADF, RADF, SPF
and scanning.
use of the staple, the ADF, RADF, SPF
and scanning.
3
Counter
Used to reset the maintenance counter.
4
Counter
Copier
Used to reset the copy counter.
6
Counter
Others
Used to clear the Zaurus print counter.
8
Paper transport
Counter
Used to clear the number of use (the
number of prints) of each paper feed
section.
number of prints) of each paper feed
section.
2
Image process
(Photoconductor/
Developing/Transfer/
Cleaning)
(Photoconductor/
Developing/Transfer/
Cleaning)
Developer/
Toner Hopper
Toner Hopper
Counter
Developer
Used to reset the developer counter. (The
developer counter of the DV unit which is
installed is reset.)
developer counter of the DV unit which is
installed is reset.)
5
Image process
(Photoconductor/
Developing/Transfer/
Cleaning)
(Photoconductor/
Developing/Transfer/
Cleaning)
Photo
conductor
conductor
Counter
Photo
conductor
conductor
Used to clear the OPC drum (membrane
decrease) correction counter.
(This simulation is executed when the
OPC drum is replaced.
decrease) correction counter.
(This simulation is executed when the
OPC drum is replaced.
7
Printer
Counter
Printer
Used to clear the printer print counter.
(The counter is cleared after completion of
maintenance.)
(The counter is cleared after completion of
maintenance.)
9
FAX
Counter
Used to clear the FAX counter. (The
counter is cleared after completion of
maintenance.)
counter is cleared after completion of
maintenance.)
10
8 – 15
Purpose
Section
Item
Function (Purpose)
Code
Main
Sub
Clear/Cancel (Trouble
etc.)
etc.)
Trouble
Error
Used to cancel the self diag U1 trouble.
13
0
Trouble
Error
Used to cancel the self diag
U1/LOC/U2/PF troubles.
U1/LOC/U2/PF troubles.
14
0
Trouble
Error
Used to cancel the self diag U2 trouble.
16
0
Paper transport
Trouble
Error
Used to cancel the self diag U4 -
09/20/21/22 (large capacity tray) trouble.
09/20/21/22 (large capacity tray) trouble.
15
0
Communication unit
(TEL/LIU/MODEM etc.)
(TEL/LIU/MODEM etc.)
Trouble
Error
Used to cancel copy inhibition by the host
computer during the self diag PF.
computer during the self diag PF.
17
0
Operation data
output/Check
(Display/Print)
output/Check
(Display/Print)
Specifications
Options
Used to check the system configuration
(option, internal hardware).
(option, internal hardware).
22
10
Trouble
Used to check the total numbers of
misfeed and troubles. (When the number
of misfeed is considerably great, it is
judged as necessary for repair. The
misfeed rate is obtained by dividing this
count value with the total counter value.)
misfeed and troubles. (When the number
of misfeed is considerably great, it is
judged as necessary for repair. The
misfeed rate is obtained by dividing this
count value with the total counter value.)
2
Trouble
Used to check the total trouble (self diag)
history.
history.
4
Trouble
Mis-feed
Used to check the misfeed positions and
the number of misfeed in each position. (If
the number of misfeed is considerably
great, it can be judged as necessary for
repair.) (Sections other than
ADF/RADF/SPF sections)
the number of misfeed in each position. (If
the number of misfeed is considerably
great, it can be judged as necessary for
repair.) (Sections other than
ADF/RADF/SPF sections)
3
Counter
Used to check the print out count of each
section in each operation mode.
(Used to check the maintenance timing.)
section in each operation mode.
(Used to check the maintenance timing.)
1
Counter
Used to check the number of use of the
staple, the ADF, RADF, SPF, and
scanning.
staple, the ADF, RADF, SPF, and
scanning.
8
Data
Adjust/Setting
data
data
Used to output the list of the setting and
adjustment data (simulations, FAX soft
switch, counters).
adjustment data (simulations, FAX soft
switch, counters).
6
Paper transport
Counter
Used to check the number of use of each
paper feed section. (the number of prints)
paper feed section. (the number of prints)
9
Image process
(Photoconductor/
Developing/Transfer/
Cleaning)
(Photoconductor/
Developing/Transfer/
Cleaning)
Data
Operation data
(Machine
condition)
(Machine
condition)
Used to check the data on the result of
the image forming section correction
(process correction) (the corrected main
charger grid voltage in each print mode,
developing bias voltage, the laser power,
etc.)
(This simulation allows to check whether
the correction is executed properly or not.)
the image forming section correction
(process correction) (the corrected main
charger grid voltage in each print mode,
developing bias voltage, the laser power,
etc.)
(This simulation allows to check whether
the correction is executed properly or not.)
44
9
Image process
(Photoconductor/
Developing/Transfer/
Cleaning)
(Photoconductor/
Developing/Transfer/
Cleaning)
Data
Operation data
(Machine
condition)
(Machine
condition)
Used to check the toner image patch
density date in correction operation of the
image forming section. (This simulation
allows to check whether the correction is
executed properly or not. )
density date in correction operation of the
image forming section. (This simulation
allows to check whether the correction is
executed properly or not. )
12
Operation (Display/
Operation key)
Operation key)
Used to check the result of the touch
panel (LCD display) detecting position
adjustment. (The coordinates are
displayed.)
panel (LCD display) detecting position
adjustment. (The coordinates are
displayed.)
65
2
ADF/RADF/UDH/SPF
Trouble
Mis-feed
Used to check the misfeed positions and
the number of misfeed at each position.
(When the number of misfeed is
considerably great, is can be judged as
necessary for repair.)
the number of misfeed at each position.
(When the number of misfeed is
considerably great, is can be judged as
necessary for repair.)
22
12
FAX
Data
Operation data
(Machine
condition)
(Machine
condition)
Used to check the use frequency of FAX
(send/receive). (Target models:
AR-F230/S280/F280S/F280R)
(send/receive). (Target models:
AR-F230/S280/F280S/F280R)
11
Laser (Exposure)
Operation
Used to check the result of shading
correction. (The shading correctiondata are
displayed.)
correction. (The shading correctiondata are
displayed.)
63
1
User data output/Check
(Display/Print)
(Display/Print)
Data
User data
Used to display the key operator code.
(This simulation is used when the
customer forgets the key operator code.)
(This simulation is used when the
customer forgets the key operator code.)
22
7
Others
Software
Used to check the ROM version of each
unit (section).
unit (section).
5
8 – 16
(3) Section
Section
Purpose
Item
Function (Purpose)
Code
Main
Sub
Paper transport
Setting
Specifications
1) Used to set the paper size of the large
quantity paper tray. (When the paper size
is changed, the lift paper size must be
also changed with this simulation.)
2) Used to detect the paper or document
size of 8.5" x 13" (Inch series) and set the
display mode. (All paper feed modes)
quantity paper tray. (When the paper size
is changed, the lift paper size must be
also changed with this simulation.)
2) Used to detect the paper or document
size of 8.5" x 13" (Inch series) and set the
display mode. (All paper feed modes)
26
2
Clear/Cancel (Trouble
etc.)
etc.)
Trouble
Error
Used to cancel the self diag U4 -
09/20/21/22 (large capacity tray) trouble.
09/20/21/22 (large capacity tray) trouble.
15
0
Operation data
output/Check
(Display/Print)
output/Check
(Display/Print)
Counter
Used to check the number of use of each
paper feed section. (the number of prints)
paper feed section. (the number of prints)
22
9
Data clear
Counter
Used to clear the number of use (the
number of prints) of each paper feed
section.
number of prints) of each paper feed
section.
24
2
Operation test/check
Operation
Used to check the operation of sensors
and detectors in the paper feed section
(desk feed, large capacity tray) and the
related circuit.
and detectors in the paper feed section
(desk feed, large capacity tray) and the
related circuit.
4
2
Operation test/check
Operation
Used to check the operation of the loads
in the paper feed section (desk paper
feed, large capacity tray) and the control
circuits.
in the paper feed section (desk paper
feed, large capacity tray) and the control
circuits.
3
Operation test/check
Operation
Used to check the operation of sensors
and detectors in the paper feed section
and the related circuits.
(The operations of sensors and detectors
in the paper feed section can be
monitored with the LCD.)
and detectors in the paper feed section
and the related circuits.
(The operations of sensors and detectors
in the paper feed section can be
monitored with the LCD.)
30
2
Operation test/check
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
Adjustment
Operation
Used to adjust the manual paper feed tray
paper width detector detection level.
paper width detector detection level.
2
Paper transport
(Discharge/Switchback/
Transport)
(Discharge/Switchback/
Transport)
Operation test/check
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
Adjustment
Operation
Used to adjust the contact pressure of
paper onto the resist roller in each section
(copier paper feed section, duplex paper
feed section, SPF paper feed section).
(When the print image position varies
greatly for the paper or when a lot of
paper jam troubles occur, the adjustment
is required.)
paper onto the resist roller in each section
(copier paper feed section, duplex paper
feed section, SPF paper feed section).
(When the print image position varies
greatly for the paper or when a lot of
paper jam troubles occur, the adjustment
is required.)
51
2
Duplex
Operation test/check
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
Operation test/check
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
Operation test/check
Operation
Used to check the operation of the duplex
unit alignment plate and its control circuit.
unit alignment plate and its control circuit.
4
Adjustment
Operation
Used to adjust the duplex print mode
stacking capability. (Used to adjust the
stop position of the paper tray width
direction alignment plate in the duplex
unit. The adjustment is executed by
changing the width direction alignment
plate home position inthe software.)
stacking capability. (Used to adjust the
stop position of the paper tray width
direction alignment plate in the duplex
unit. The adjustment is executed by
changing the width direction alignment
plate home position inthe software.)
52
1
Optical (Image
scanning)
scanning)
Operation test/check
Operation
Used to check the operation of the
scanner unit and its control circuit.
scanner unit and its control circuit.
1
1
Operation test/check
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 test/check
Operation
Used to check the oepration of the copy
lamp and the control circuit.
lamp and the control circuit.
5
3
8 – 17
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