Sharp AR-285 (serv.man12) Service Manual ▷ View online
Item
Purpose
Section
Function (Purpose)
Code
Main
Sub
Trouble
Operation data
output/Check
(Display/Print)
output/Check
(Display/Print)
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.)
22
2
Operation data
output/Check
(Display/Print)
output/Check
(Display/Print)
Used to check the total trouble (self diag)
history.
history.
4
Mis-feed
Operation data
output/Check
(Display/Print)
output/Check
(Display/Print)
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
Operation data
output/Check
(Display/Print)
output/Check
(Display/Print)
ADF/RADF/UDH/SPF
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.)
(When the number of misfeed is
considerably great, is can be judged as
necessary for repair.)
12
Error
Clear/Cancel (Trouble
etc.)
etc.)
Used to cancel the self diag U1 trouble.
13
0
Clear/Cancel (Trouble
etc.)
etc.)
Used to cancel the self diag
U1/LOC/U2/PF troubles.
U1/LOC/U2/PF troubles.
14
0
Clear/Cancel (Trouble
etc.)
etc.)
Used to cancel the self diag U2 trouble.
16
0
Clear/Cancel (Trouble
etc.)
etc.)
Paper transport
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
Clear/Cancel (Trouble
etc.)
etc.)
Communication unit
(TEL/LIU/MODEM etc.)
(TEL/LIU/MODEM etc.)
Used to cancel copy inhibition by the host
computer during the self diag PF.
computer during the self diag PF.
17
0
Software
Others
Used to check the ROM version of each
unit (section).
unit (section).
22
5
Counter
Data clear
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
Data clear
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
Data clear
Used to reset the maintenance counter.
4
Operation data
output/Check
(Display/Print)
output/Check
(Display/Print)
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.)
22
1
Operation data
output/Check
(Display/Print)
output/Check
(Display/Print)
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 clear
Paper transport
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 data
output/Check
(Display/Print)
output/Check
(Display/Print)
Paper transport
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
FAX
Used to clear the FAX counter. (The
counter is cleared after completion of
maintenance.)
counter is cleared after completion of
maintenance.)
24
10
Developer
Data clear
Image process
(Photoconductor/
Developing/Transfer/
Cleaning)
(Photoconductor/
Developing/Transfer/
Cleaning)
Developer/
Toner Hopper
Toner Hopper
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
Photo
conductor
conductor
Data clear
Image process
(Photoconductor/
Developing/Transfer/
Cleaning)
(Photoconductor/
Developing/Transfer/
Cleaning)
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
Data clear
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
Copier
Data clear
Used to reset the copy counter.
6
Others
Data clear
Used to clear the Zaurus print counter.
8
Data
Setting
Communication unit
(TEL/LIU/MODEM etc.)
(TEL/LIU/MODEM etc.)
Used to enter the start time and the end
time of servicing for management of
service work. (The data can be checked
by the host computer.)
time of servicing for management of
service work. (The data can be checked
by the host computer.)
27
4
8 – 24
Item
Purpose
Section
Function (Purpose)
Code
Main
Sub
Data
Setting
Communication unit
(TEL/LIU/MODEM etc.)
(TEL/LIU/MODEM etc.)
Used to enter the TAG No. of the copier.
(This simulation allows to check the
machine TAG No. with the host
computer.)
(This simulation allows to check the
machine TAG No. with the host
computer.)
27
5
Adjust/Setting
data
data
Operation data
output/Check
(Display/Print)
output/Check
(Display/Print)
Used to output the list of the setting and
adjustment data (simulations, FAX soft
switch, counters).
adjustment data (simulations, FAX soft
switch, counters).
22
6
Setting
Image process
(Photoconductor/
Developing/Transfer/
Cleaning)
(Photoconductor/
Developing/Transfer/
Cleaning)
Used to set the target image (reference)
density level in the developing bias
voltage correction.
density level in the developing bias
voltage correction.
44
4
User data
User data output/Check
(Display/Print)
(Display/Print)
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
Setting
Communication unit
(TEL/LIU/MODEM etc.)
(TEL/LIU/MODEM etc.)
Used to set and change the host
computer/MODEM numbers. (This setting
is required when a communication is
made between the copier and a computer
through MODEM.)
computer/MODEM numbers. (This setting
is required when a communication is
made between the copier and a computer
through MODEM.)
27
2
Setting
Communication unit
(TEL/LIU/MODEM etc.)
(TEL/LIU/MODEM etc.)
Used to set and change the host
computer/MODEM numbers. (This setting
is required when a communication is
made between the copier and a computer
through MODEM.)
computer/MODEM numbers. (This setting
is required when a communication is
made between the copier and a computer
through MODEM.)
3
Operation data
(Machine
condition)
(Machine
condition)
Operation data
output/Check
(Display/Print)
output/Check
(Display/Print)
Image process
(Photoconductor/
Developing/Transfer/
Cleaning)
(Photoconductor/
Developing/Transfer/
Cleaning)
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
Operation data
output/Check
(Display/Print)
output/Check
(Display/Print)
Image process
(Photoconductor/
Developing/Transfer/
Cleaning)
(Photoconductor/
Developing/Transfer/
Cleaning)
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 data
output/Check
(Display/Print)
output/Check
(Display/Print)
FAX
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)
22
11
Operation
Setting/Operation
test/check
test/check
Used to set the aging operation
conditions.
conditions.
7
1
Setting/Operation
test/check
test/check
Used to set the cycle of intermittent aging.
6
Setting/Operation
test/check
test/check
Used to set YES/NO of display of the
warmup time.
warmup time.
8
Setting/Operation data
output/Check
(Display/Print)
output/Check
(Display/Print)
Used to execute shading correction and
display the correction value.
display the correction value.
46
17
Adjustment
Paper transport
Used to adjust the manual paper feed tray
paper width detector detection level.
paper width detector detection level.
40
2
Operation test/check
Paper transport
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
Paper transport
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
Paper transport
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
Paper transport
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
8 – 25
Item
Purpose
Section
Function (Purpose)
Code
Main
Sub
Operation
Adjustment
Paper transport
(Discharge/Switchback/
Transport)
(Discharge/Switchback/
Transport)
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
Operation test/check
Paper transport
(Discharge/Switchback/
Transport)
(Discharge/Switchback/
Transport)
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
Duplex
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
Operation test/check
Duplex
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
Duplex
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
Duplex
Used to check the operation of the duplex
unit alignment plate and its control circuit.
unit alignment plate and its control circuit.
4
Operation test/check
Optical (Image
scanning)
scanning)
Used to check the operation of the
scanner unit and its control circuit.
scanner unit and its control circuit.
1
1
Operation test/check
Optical (Image
scanning)
scanning)
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
Operation test/check
Optical (Image
scanning)
scanning)
Used to check the oepration of the copy
lamp and the control circuit.
lamp and the control circuit.
5
3
Adjustment
Image process
(Photoconductor/
Developing/Transfer/
Cleaning)
(Photoconductor/
Developing/Transfer/
Cleaning)
Photo
conductor
conductor
Used to adjust the sensitivity (gain) of the
OPC drum mark sensor and the image
density sensor.
OPC drum mark sensor and the image
density sensor.
44
2
Adjustment
Image process
(Photoconductor/
Developing/Transfer/
Cleaning)
(Photoconductor/
Developing/Transfer/
Cleaning)
Used to adjust the OPC drum separation
pawl ON time.
pawl ON time.
51
1
Setting
Image process
(Photoconductor/
Developing/Transfer/
Cleaning)
(Photoconductor/
Developing/Transfer/
Cleaning)
Used to set whether the correction
functions of the image forming (process)
section are valid or not.
functions of the image forming (process)
section are valid or not.
44
1
Setting
Image process
(Photoconductor/
Developing/Transfer/
Cleaning)
(Photoconductor/
Developing/Transfer/
Cleaning)
Used to set various parameters (main
charger grid voltage, laser beam power,
correction start developing bias voltage) in
developing bias correction.
charger grid voltage, laser beam power,
correction start developing bias voltage) in
developing bias correction.
5
Setting
Image process
(Photoconductor/
Developing/Transfer/
Cleaning)
(Photoconductor/
Developing/Transfer/
Cleaning)
Used to set the correction vlaues of
various parameters (maincharger grid
voltage, laser beam power, developing
bias voltage) in the image forming
operation and image forming section
correction for OPC drum type A.
various parameters (maincharger grid
voltage, laser beam power, developing
bias voltage) in the image forming
operation and image forming section
correction for OPC drum type A.
15
Operation test/check
Image process
(Photoconductor/
Developing/Transfer/
Cleaning)
(Photoconductor/
Developing/Transfer/
Cleaning)
Others
Used to check the operation of the
discharge lamp and the control circuit.
discharge lamp and the control circuit.
5
4
Operation test/check
Image process
(Photoconductor/
Developing/Transfer/
Cleaning)
(Photoconductor/
Developing/Transfer/
Cleaning)
Developer/
Toner Hopper
Toner Hopper
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 test/check
Operation (Display/
Operation key)
Operation key)
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
8 – 26
Item
Purpose
Section
Function (Purpose)
Code
Main
Sub
Operation
Setting
Fixing (Fusing)
Used to set the fusing operation mode
(paper curl corresponding mode).
(paper curl corresponding mode).
26
15
Setting
Fixing (Fusing)
Used to set the fusing temperature in
each operation mode.
each operation mode.
43
1
Operation test/check
Fixing (Fusing)
Used to check the operation of the heater
lamp and the control circuit.
lamp and the control circuit.
5
2
Operation test/check
DRIVE
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
Setting
ICU
Used to set the IC fan operating
temperature. (Operation in pre-heat mode.)
(Excluding Japan models.)
temperature. (Operation in pre-heat mode.)
(Excluding Japan models.)
26
36
Operation test/check
ICU
Used to check the operation (read/write)
of ICU. (SIMM MEMORY/ONBOARD
MEMORY)
of ICU. (SIMM MEMORY/ONBOARD
MEMORY)
60
1
Operation test/check
ICU
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
Adjustment
ADF/RADF/UDH/SPF
Used to adjust the document stop position
in each operation mode of ADF/RADF.
(Target model:
AR-F230/S280/F280R/S330/280/285/335)
in each operation mode of ADF/RADF.
(Target model:
AR-F230/S280/F280R/S330/280/285/335)
53
1
Adjustment
ADF/RADF/UDH/SPF
Used to adjust the optical sensor
sensitivity in the ADF/RADF. (Target
models: AR-F230/S280/F280R/S330/
280/285/335)
sensitivity in the ADF/RADF. (Target
models: AR-F230/S280/F280R/S330/
280/285/335)
2
Operation test/check
ADF/RADF/UDH/SPF
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
Operation test/check
ADF/RADF/UDH/SPF
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
Operation test/check
ADF/RADF/UDH/SPF
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
Adjustment
Sorter/Finisher
Used to adjust the finisher stacking
capability. (Used to adjust the stop
position of the finishser paper width
direction alignment plate (jogger). This
adjustment is made by changing the width
direction alignment plate home position by
the software.)
(Target model:AR-S330/280/285/335)
capability. (Used to adjust the stop
position of the finishser paper width
direction alignment plate (jogger). This
adjustment is made by changing the width
direction alignment plate home position by
the software.)
(Target model:AR-S330/280/285/335)
3
6
Operation test/check
Sorter/Finisher
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.
2
Operation test/check
Sorter/Finisher
Used to check the operation of the loads
in the sorter and the control circuit.
in the sorter and the control circuit.
3
Operation test/check
Printer
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
Operation test/check
Interface
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
8 – 27
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