DOWNLOAD Sharp AR-285 (serv.man15) Service Manual ↓ Size: 81.02 KB | Pages: 10 in PDF or view online for FREE

Model
AR-285 (serv.man15)
Pages
10
Size
81.02 KB
Type
PDF
Document
Service Manual
Brand
Device
Copying Equipment / AR280 285 335 Service Manual-Trouble Code List
File
ar-285-sm15.pdf
Date

Sharp AR-285 (serv.man15) Service Manual ▷ View online

[11] TROUBLE CODE LIST
1. Trouble code
Trouble
code
Content of trouble
Remark
Trouble
detection
C1
00 MC trouble
PCU
C2
00 TC trouble
PCU
E7
02 Laser trouble
ICU
10 Shading trouble (Black correction)
ICU
11 Shading trouble (White correction)
ICU
13 CCD light quantity check error
ICU
F1
00 Finisher communication trouble
PCU
01 Finisher jogger shift trouble
FIN
02 Finisher transport motor
abnormality
FIN
04 Finisher elevator abnormality
FIN
05 Finisher elevator home sensor
trouble
FIN
06 Finisher shift motor abnormality
FIN
10 Finisher staple unit operation
trouble
FIN
11 Finisher pusher motor trouble
FIN
15 Finisher elevator motor trouble
FIN
80 Finisher power not supplied
FIN
F2
00 Toner control sensor open
PCU
02 Toner motor connector
unconnected
PCU
31 Process control trouble (OPC
drum surface reflection rate
abnormality)
PCU
32 Process control trouble (Drum
marking scanning trouble)
PCU
37 Drum marking sensor gain
adjustment error
PCU
39 Process section thermister open
PCU
F3
12 Copier top stage CS lift up trouble
PCU
22 Copier bottom stage CS lift up
trouble
PCU
H2
00 Thermistor open (HL1)
PCU
01 Thermistor open (HL2)
PCU
H3
00 Heat roller high temperature
detection (HL1)
PCU
01 Heat roller high temperature
detection (HL2)
PCU
H4
00 Heat roller low temperature
detection (HL1)
PCU
01 Heat roller low temperature
detection (HL2)
PCU
H5
01 3 continuous POD1 not-reaching
JAM detection
PCU
L1
00 Scanner feed trouble
PCU
L3
00 Scanner return trouble
PCU
L4
01 Main motor lock detection
PCU
L6
10 Polygon motor lock detection
ICU
L8
01 No full-wave signal
PCU
02 Full-wave signal width abnormality
PCU
U4
02 ADU alignment plate operation
abnormality
PCU
Trouble
code
Content of trouble
Remark
Trouble
detection
U5
00 RADF/SPF communication trouble
PCU
01 RADF resist sensor trouble
RADF
02 RADF expulsion sensor trouble
RADF
03 RADF timing sensor trouble
RADF
11 RADF paper feed motor operation
abnormality
RADF
U6
00 Desk communication trouble
PCU
01 Desk 1 CS lift up trouble
Desk
02 Desk 2 CS lift up trouble
Desk
08 Desk 24V power abnormality
Desk
10 Desk transport motor trouble
Desk
09 LCC lift motor trouble
LCC
20 LCC communication trouble
PCU
21 LCC transport motor trouble
LCC
22 LCC 24V power abnormality
LCC
EE EL Auto developer adjustment trouble
(Overtoner)
In SIM only PCU
EU Auto developer adjustment trouble
(Undertoner)
In SIM only PCU
PC
Personal counter not installed
ICU
– –
Auditor not ready
ICU
PF
RIC copy inhibit command
reception
ICU
E7
00 ICU communication trouble
ICU
90 ICU communication trouble
PCU
F9
00 Printer communication trouble
ICU
90 Printer communication trouble
PRT
01 PRT DRAM trouble
PRT
U9
00 Operation control communication
trouble
ICU
90 Operation control communication
trouble
OPE
U2
00 EEPROM read/write error
ICU
11 Counter check sum error
(EEPROM)
ICU
12 Adjustment value check sum error
(EEPROM)
ICU
11 – 1
2. Self diagnostics
Trouble code
Description
Main
code
Sub
code
C1
00
Content MC trouble
Detail
Main charger output error (output
released)
Trouble signal from high-voltage
transformer
Cause
Main charger improperly installed
Main charger improperly assembled
High-voltage transformer connector
removed
High-voltage harness removed or wire
broken
Check
and
remedy
Check main charger output with SIM8-2.
Check main charger connector for
disconnection.
Replace high-voltage unit.
C2
00
Content TC trouble
Detail
Transfer charger output error (output
short-circuiting)
Trouble signal from high-voltage
transformer
Cause
Transfer charger contaminated with
foreign matter
Transfer charger wire broken
High-voltage transformer connector
disconnected
Check
and
remedy
Check transfer charger output with
SIM8-6.
Replace high-voltage unit.
E7
02
Content Laser trouble
Detail
BD signal from LSU kept at OFF or ON
Cause
Connector to LSU or harness inside LSU
disconnected or wire broken
Polygon motor improperly rotating
Laser home position sensor improperly
positioned inside LSU
Laser power supply line does not have
proper voltage
Laser LED improperly lighting
ICU PWB error
Check
and
remedy
Check LSU connector for disconnection.
Check LSU operation with SIM61-1.
Check polygon motor for rotation.
Check laser LED for lighting.
Replace LSU unit.
Replace ICU PWB.
10
Content Shading trouble (black correction)
Detail
Improper CCD black reading level for
copy lamp going out
Cause
Improper installation of flat cable to CCD
unit
CCD unit error
ICU PWB error
Check
and
remedy
Check flat cable to CCD unit for
installation.
Check CCD unit.
Check ICU PWB.
Trouble code
Description
Main
code
Sub
code
E7
11
Content Shading trouble (white correction)
Detail
Improper CCD white reference plate
reading level for copy lamp lighting
Cause
Improper installation of flat cable to CCD
unit
Mirror, lens or reference white plate
contaminated
Copy lamp operation error
Improperly installed CCD unit
CCD unit error
ICD PWB error
Check
and
remedy
Clean mirror, lens, or reference white
plate.
Check copy lamp for light amount
(SIM5-3) and lighting.
Check CCD unit.
Check ICU PWB.
13
Content CCD light amount check error
Detail
Copy lamp light amount adjustment in
shading cannot be made
Cause
Copy lamp does not light (broken wire,
improper installation)
Improper installation of flat cable to CCD
unit
Improper connection of copy lamp CL
lead wire
Mirror, lens, or reference white plate
Dirt or dew
Improper output of copy lamp power
supply
Improper installation of CCD unit
CCD unit error
ICU PWB error
Check
and
remedy
Clean mirror, lens, reference white plate.
Check copy lamp for light amount
(SIM5-3) and lighting.
Check CCD unit.
Check ICU PWB.
F1
00
Content Finisher communication trouble
Detail
Communication line test error occurs
when power is turned on or after the exit
of a simulation mode.
Improper communication with sorter
Cause
Improper connection or broken wire of
connector or harness between copier
and sorter
Finisher control PWB defective
Control PWB (PCU) defective
Malfunction due to noise
Check
and
remedy
Clear by turning the power supply
OFF/ON.
Check communication line connector and
harness.
Replace Finisher control PWB or PCU
PWB.
01
Content Finisher jogger shift trouble
Detail
Jogger shift trouble
Cause
Motor lock
Motor rpm abnormality
Motor overcurrent
Finisher control PWB trouble
Check
and
remedy
Check the jogger motor operation with
SIM 3-3.
11 – 2
Trouble code
Description
Main
code
Sub
code
F1
02
Content Finisher transport motor error
Detail
Transport motor drive trouble
Cause
Motor lock
Check
and
remedy
Check transport motor operation with
SIM3-3.
04
Content Finisher indexer lower limit detected
Detail
Indexer has exceeded lower limit.
Cause
Sensor defective
Finisher control PWB defective
Check
and
remedy
Check sensor with SIM3-2.
05
Content Finisher indexer upper limit detected
Detail
Indexer has exceeded upper limit
Cause
Sensor defective
Finisher control PWB defective
Check
and
remedy
Check sensor with SIM3-2.
06
Content Finisher bin shift motor error
Detail
1) Bin shift is not completed within 2.5
seconds after bin shift request
Cause
Motor lock
Improper motor speed
Overcurrent to motor
Finisher control PWB defective
Check
and
remedy
Check bin shift motor operation with
SIM3-4.
10
Content Staple unit operation trouble
Detail
Staple operation trouble
Cause
Motor lock
Motor rpm abnormality
Motor overcurrent
Finisher control PWB trouble
Check
and
remedy
Check the staple motor operation with
SIM 3-3.
11
Content Pusher motor trouble
Detail
Pusher motor trouble
Cause
Motor lock
Motor rpm abnormality
Motor overcurrent
Finisher control PWB trouble
Check
and
remedy
Check the pusher motor operation with
SIM 3-3.
15
Content Finisher elevator motor trouble
Detail
Elevator motor trouble
Cause
Motor lock
Motor rpm abnormality
Motor overcurrent
Finisher control PWB trouble
Check
and
remedy
Check the elevator motor operation with
SIM 3-3.
Trouble code
Description
Main
code
Sub
code
F1
80
Content Finisher power trouble
Detail
24V power is not supplied to the finisher
PWB.
Cause
Connector harness improper connection
or disconnection
Finisher control PWB trouble
Power unit trouble
Check
and
remedy
Check the sensor operation with SIM 3-2.
F2
00
Content Toner control sensor open
Detail
Toner control sensor output open
Cause
Connector harness trouble
Connector unconnected.
Check
and
remedy
Check connection of the toner control
sensor.
Check connection of the connector
harness with the main PWB.
Check for disconnection of the harness.
02
Content Toner motor connector disconnected
Detail
Connection detection signal with toner
motor is OFF
Cause
Connector harness defective
Connector disconnected
Check
and
remedy
Check toner motor connector for
connection.
Check connector harness to main PWB
for connection.
Check harness for broken wire.
31
Content Process control trouble (OPC base
surface reflection factor is improper)
Detail
Usually the sensor gain is adjusted so
that the output is a certain value, by
reading the drum base surface with the
image density sensor before starting
process control.
However, a certain output is not obtained
by adjusting the sensor gain.
Cause
Image density sensor defective
Check
and
remedy
Check process control sensor output with
SIM44-2. (Do not adjust)
If the result is far different from the
specified value, it suggests the sensor is
defective. Check the sensor and
harness.
If the deviation is relatively small, check
the sensor and drum surface for
contamination.
11 – 3
Trouble code
Description
Main
code
Sub
code
F2
32
Content Process control trouble (drum marking
sensor defective)
Detail
Usually the sensor gain is adjusted so
that the output is a certain value, by
reading the drum base surface with the
drum marking sensor before starting
process control.
However, a certain output is not obtained
by adjusting the sensor gain.
Cause
Drum marking sensor defective
Improper connection of harness between
PCU PWB and drum marking sensor
Drum marking sensor contaminated
OPC drum cleaning improper
Charging voltage improper
Check
and
remedy
Check process control output with
SIM44-02. (Do not adjust.)
If the result is far different from the
specified value, it suggests the sensor is
defective. Check the sensor and
harness.
If the deviation is relatively small, check
the sensor and drum surface for
contamination.
37
Content Drum marking sensor gain adjustment
error
Detail
When the drum marking area surface is
scanned with the drum marking sensor
before starting process control and the
sensor gain ia adjusted until a constant
output is provided, the output is not be
constant though the sensor gain is
changed.
Cause
Drum marking sensor trouble
Improper connection between PCU PWB
and drum marking sensor
Drum marking sensor is dirty
OPC drum cleaning trouble
Check
and
remedy
Perform the gain adjustment of process
control sensor with SIM 44-2.
If ERROR is displayed, it may be a
breakdown. Check the sensor and the
harness.
When the adjustment is completed,
check the drum surface conditions.
F3
12
Content Upper cassette lift-up trouble
Detail
UPED does not turn on within the
specified time.
ULUD does not turn on within the
specified time.
Cause
UPED or ULUD defective
Upper cassette lift-up motor defective
Improper connection of harness between
PCU PWB, lift-up unit, and paper feed
unit.
Check
and
remedy
Check UPED, ULUD and their harness
and connector.
Check lift-up unit.
Trouble code
Description
Main
code
Sub
code
F3
22
Content Lower cassette lift-up trouble
Detail
LPED does not turn on within the
specified time.
LLUD does not turn on within the
specified time.
Cause
LPED or LLUD defective
Lower cassette lift-up motor defective
Improper connection of harness between
PCU PWB, lift-up unit, and paper feed
unit.
Check
and
remedy
Check LPED, LLUD, their harnesses and
connectors.
Check lift-up unit.
H2
00
HL1
01
HL2
Content Thermister open
Fusing unit not installed
Detail
Thermister is open (more than 4.6-V
input voltage is detected).
Fusing unit not installed
Cause
Thermister defective
Control PWB defective
Improper connection of fusing connector
AC power supply defective
Fusing unit not installed
Check
and
remedy
Check harness and connector between
thermister and control PWB.
Clear the display of self-diagnostics with
SIM14.
H3
00
HL1
01
HL2
Content Too hot fusing section
Detail
The fusing temperature is over 241.5° C
(less than 1.3-V input voltage is
detected.)
Cause
Thermister defective
Control PWB defective
Improper connection of fusing unit
connector
AC power supply defective
Check
and
remedy
Check heater lamp operation with
SIM5-2.
If lamp blinks properly:
  Check thermister and its harness.
 Check 
thermister 
input 
circuit 
of 
control
PWB.
If lamp lights and stays lit:
  Check lamp control circuits of AC PWB
and control PWB.
Clear the trouble with SIM14.
11 – 4
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Sharp AR-285 (serv.man15) Service Manual ▷ Download

  • DOWNLOAD Sharp AR-285 (serv.man15) Service Manual ↓ Size: 81.02 KB | Pages: 10 in PDF or view online for FREE
  • Here you can View online or download the Service Manual for the Sharp AR-285 (serv.man15) in PDF for free, which will help you to disassemble, recover, fix and repair Sharp AR-285 (serv.man15) Copying Equipment. Information contained in Sharp AR-285 (serv.man15) Service Manual (repair manual) includes:
  • Disassembly, troubleshooting, maintenance, adjustment, installation and setup instructions.
  • Schematics, Circuit, Wiring and Block diagrams.
  • Printed wiring boards (PWB) and printed circuit boards (PCB).
  • Exploded View and Parts List.