DOWNLOAD Sharp AR-C260 (serv.man14) Service Manual ↓ Size: 542.38 KB | Pages: 25 in PDF or view online for FREE

Model
AR-C260 (serv.man14)
Pages
25
Size
542.38 KB
Type
PDF
Document
Service Manual
Brand
Device
Copying Equipment / (11) Troubleshooting
File
ar-c260-sm14.pdf
Date

Sharp AR-C260 (serv.man14) Service Manual ▷ View online

AR-C260/C260M  TROUBLESHOOTING  11 - 17
Main 
code
Sub 
code
Title
Half-tone process control 2nd 
batch trouble (Magenta)
F2
86
Display
Lamp/Message
Phenomenon
Detail
Second step operation 
error during half-tone 
process control
Section
Common
Check
Use SIM 44-2 to adjust the 
process control sensor 
gain. 
Case 1
Cause
When "Error" occurs in the 
gain adjustment of SIM 44-
2:
1. Disconnection of the 
harness between the 
PCU PWB and the 
image density sensor.
2. Image density sensor 
dirt/trouble
Check & 
Remedy
1. Check connection of 
the harness between 
the PCU PWB and the 
image density sensor.
2. Clean/replace the 
image density sensor. 
Case 2
Cause
When SIM 44-2 gain 
adjustment is completed:
Insufficient cleaning of the 
transfer belt, calibration 
plate solenoid operation 
trouble
Check & 
Remedy
Check the drum surface 
and the belt surface. 
Main 
code
Sub 
code
Title
Half-tone process control 2nd 
batch trouble (Yellow)
F2
87
Display
Lamp/Message
Phenomenon
Detail
Second step operation 
error during half-tone 
process control
Section
Common
Check
Use SIM 44-2 to adjust the 
process control sensor 
gain. 
Case 1
Cause
When "Error" occurs in the 
gain adjustment of SIM 44-
2:
1. Disconnection of the 
harness between the 
PCU PWB and the 
image density sensor.
2. Image density sensor 
dirt/trouble
Check & 
Remedy
1. Check connection of 
the harness between 
the PCU PWB and the 
image density sensor.
2. Clean/replace the 
image density sensor. 
Case 2
Cause
When SIM 44-2 gain 
adjustment is completed:
Insufficient cleaning of the 
transfer belt, calibration 
plate solenoid operation 
trouble
Check & 
Remedy
Check the drum surface 
and the belt surface. 
Main 
code
Sub 
code
Title
Half-tone process limit error
F2
90
Display
Lamp/Message
Phenomenon
Detail
The difference between 
the correction value after 
execution of half-tone 
process control and the 
previous correction value 
exceeds the specified 
max. value of each color.
<The error is recorded in 
the trouble history, but F2 
trouble is not indicated on 
the display and the 
previous correction value 
is remained.> 
Section
Common
Check
Use SIM 44-2 to adjust the 
process control sensor 
gain. 
Case 1
Cause
When "Error" occurs in the 
gain adjustment of SIM 44-
2:
1. Disconnection of the 
harness between the 
PCU PWB and the 
image density sensor.
2. Image density sensor 
dirt/trouble
Check & 
Remedy
1. Check connection of 
the harness between 
the PCU PWB and the 
image density sensor.
2. Clean/replace the 
image density sensor. 
Case 2
Cause
When SIM 44-2 gain 
adjustment is completed: 
Insufficient cleaning of the 
transfer belt, calibration 
plate solenoid operation 
trouble
Check & 
Remedy
Check the drum surface 
and the belt surface. 
Main 
code
Sub 
code
Title
Cassette 1 lift-up trouble
F3
12
Display
Lamp/Message
Phenomenon
Detail
LUD1 does not turn on 
within the specified time. 
Section
Case 1
Cause
LUD1 sensor trouble, 
disconnection of harness 
among the PCU PWB, the 
lift-up unit, and the paper 
feed unit. 
Check & 
Remedy
Check LUD1, its harness, 
and the connector. 
Case 2
Cause
Cassette 1 lift-up motor 
trouble
Check & 
Remedy
Check the lift-up unit. 
AR-C260/C260M  TROUBLESHOOTING  11 - 18
Main 
code
Sub 
code
Title
ICU-PRT communication trouble 
(ICU detection)
F9
00
Display
Lamp/Message
Phenomenon
Detail
Communication 
establishment error, 
framing, parity, protocol 
error
Section
Case 1
Cause
Defective connection of 
the ICU/PRT PWB 
communication connector, 
defective harness between 
the ICU PWB and the PRT 
PWB, defective ICU PWB/
PRT PWB
Check & 
Remedy
Check connection and the 
harness between the ICU 
PWB and the MFP PWB. 
Check the machine earth. 
Replace the ICU or the 
PRT PWB.
Main 
code
Sub 
code
Title
PRT DRAM trouble
F9
01
Display
Lamp/Message
Phenomenon
Detail
DRAM in the PRT PWB 
cannot be accessed.
Section
Case  1
Cause
Defective DRAM, defective 
installation of the DRAM
Check & 
Remedy
Replace the DRAM. Check 
connection of the DRAM.
Main 
code
Sub 
code
Title
NIC port check error
F9
03
Display
Lamp/Message
Phenomenon
Detail
NIC port check error
Section
Case 1
Cause
Defective connection of 
the NIC connector, 
defective NIC PWB, 
defective PRT PWB
Check & 
Remedy
Check the NIC connector 
again. Replace the HDD. 
Replace the PRT PWB.
Main 
code
Sub 
code
Title
HDD trouble (PRT controller 
detection)
F9
20
Display
Lamp/Message
Phenomenon
Detail
The HDD (option) does not 
operate normally in the 
machine with the HDD.
Section
Case 1
Cause
Defective connection of 
the HDD connector, 
defective HDD, defective 
PRT PWB
Check & 
Remedy
Check the HDD again. 
Replace the HDD. 
Replace the PRT PWB.
Main 
code
Sub 
code
Title
Thermistor open (HL1)
H2
00
Display
Lamp/Message
Phenomenon
Detail
Thermistor open
Section
Fusing
Case 1
Cause
Disconnection of the 
fusing section connector
Check & 
Remedy
Check the connector and 
the harness between the 
thermistor and the control 
PWB. 
Case 2
Cause
The fusing unit is not 
installed. 
Check & 
Remedy
Install the fusing unit. 
Case 3
Cause
Thermistor trouble, control 
PWB trouble, AC power 
supply trouble 
Check & 
Remedy
Replace the thermistor or 
the control PWB. Check 
the AC power supply. 
Main 
code
Sub 
code
Title
Thermistor open (HL2)
H2
01
Display
Lamp/Message
Phenomenon
Detail
Thermistor open
Section
Fusing
Case 1
Cause
Disconnection of the 
fusing section connector
Check & 
Remedy
Check the connector and 
the harness between the 
thermistor and the control 
PWB. 
Case 2
Cause
The fusing unit is not 
installed. 
Check & 
Remedy
Install the fusing unit. 
Case 3
Cause
Thermistor trouble, control 
PWB trouble, AC power 
supply trouble 
Check & 
Remedy
Replace the thermistor or 
the control PWB. Check 
the AC power supply. 
Main 
code
Sub 
code
Title
Fusing section high temperature 
trouble (THS1)
H3
00
Display
Lamp/Message
Phenomenon
Detail
The fusing temperature 
exceeds 230°C.
Section
Fusing
Common
Check 
Use SIM 5-2 to check the 
heater lamp flashing 
operation.
Case 1
Cause
The heater lamp flashes 
properly with SIM 5-2. 
Thermistor trouble, 
disconnection of the fusing 
section connector
Check & 
Remedy
Check the thermistor and 
its harness. Cancel the 
error with SIM 14. 
Case 2
Cause
The heater lamp keeps ON 
with SIM 5-2.
Control PWB trouble, AC 
power supply trouble
Check & 
Remedy
Check the AC PWB and 
the control PWB lamp 
control circuit.
Cancel the error with SIM 
14. 
AR-C260/C260M  TROUBLESHOOTING  11 - 19
Main 
code
Sub 
code
Title
Fusing section high temperature 
trouble (THS2)
H3
01
Display
Lamp/Message
Phenomenon
Detail
The fusing temperature 
exceeds 230°C.
Section
Fusing
Common
Check 
Use SIM 5-2 to check the 
heater lamp flashing 
operation.
Case 1
Cause
The heater lamp flashes 
properly with SIM 5-2.
Thermistor trouble, 
disconnection of the fusing 
section connector
Check & 
Remedy
Check the thermistor and 
its harness. Cancel the 
error with SIM 14. 
Case 2
Cause
The heater lamp keeps ON 
with SIM 5-2. AC power 
supply trouble, control 
PWB trouble
Check & 
Remedy
Check the AC PWB and 
the control PWB lamp 
control circuit.
Cancel the error with SIM 
14. 
Main 
code
Sub 
code
Title
Fusing section low temperature 
trouble (HL1)
H4
00
Display
Lamp/Message
Phenomenon
Detail
The fusing temperature is 
not reached within the 
specified time after turning 
on the power relay. 
Section
Fusing
Common
Check
Use SIM 5-2 to check the 
heater lamp flashing 
operation.
Case 1
Cause
The heater lamp flashes 
properly with SIM 5-2. 
Thermistor trouble, PCU 
PWB (thermistor input 
circuit) trouble
Check & 
Remedy
Check the thermistor and 
its harness. Check the 
PCU PWB thermistor input 
circuit.
Cancel the error with SIM 
14. 
Case 2
Cause
The heater lamp keeps ON 
with SIM 5-2. Heater lamp 
trouble, thermostat trouble, 
interlock switch trouble, 
AC power supply trouble, 
PCU PWB (lamp control 
circuit) trouble
Check & 
Remedy
Check for disconnection of 
the heater lamp and the 
thermostat. Check the 
interlock switch. Check the 
AC PWB and the PUC 
PWB lamp control circuit.  
Cancel the error with SIM 
14. 
Main 
code
Sub 
code
Title
Fusing section low temperature 
trouble (HL2)
H4
01
Display
Lamp/Message
Phenomenon
Detail
The fusing temperature is 
not reached within the 
specified time after turning 
on the power relay. 
Section
Fusing
Common
Check
Use SIM 5-2 to check the 
heater lamp flashing 
operation.
Case 1
Cause
The heater lamp flashes 
properly with SIM 5-2. 
Thermistor trouble, PCU 
PWB (thermistor input 
circuit) trouble
Check & 
Remedy
Check the thermistor and 
its harness. Check the 
PCU PWB thermistor input 
circuit.
Cancel the error with SIM 
14. 
Case 2
Cause
The heater lamp keeps ON 
with SIM 5-2.
Heater lamp trouble, 
thermostat trouble, 
interlock switch trouble, 
AC power supply trouble, 
PCU PWB (lamp control 
circuit) trouble
Check & 
Remedy
Check for disconnection of 
the heater lamp and the 
thermostat. Check the 
interlock switch. Check the 
AC PWB and the PUC 
PWB lamp control circuit.  
Cancel the error with SIM 
14. 
Main 
code
Sub 
code
Title
Five continuous detections of 
POD1 not-reached jam
H5
01
Display
Lamp/Message
Phenomenon
Detail
POD1 not-reached jams 
are detected for five times 
continuously.
Section
Fusing
Case 1
Cause
A fusing jam is not 
canceled completely. (Jam 
paper remains inside the 
machine.)
Check & 
Remedy
Check remaining jam 
paper (winding).
Cancel the error with SIM 
14. 
Case 2
Cause
POD1 sensor trouble, or 
harness disconnection
Check & 
Remedy
Check POD1 sensor 
harness.
Cancel the error with SIM 
14.
Case 3
Cause
Improper installation of the 
fusing unit
Check & 
Remedy
Check installation of the 
fusing unit.
Cancel the error with SIM 
14.
AR-C260/C260M  TROUBLESHOOTING  11 - 20
Main 
code
Sub 
code
Title
Fusing unit initial detection trouble
H8
01
Display
Lamp/Message
Phenomenon
Detail
Fusing unit initial detection 
trouble
Section
Fusing
Case 1
Cause
Disconnection of the 
connector
Check & 
Remedy
Check connection of the 
fusing unit initial sensor. 
Check connection of the 
connector and the harness 
to the PCU PWB. 
Case 2
Cause
Connector harness trouble
Check & 
Remedy
Check for disconnection of 
the harness. 
Case 3
Cause
Fusing unit trouble
Check & 
Remedy
Replace the fusing unit.
Main 
code
Sub 
code
Title
Mirror feed trouble
L1 
00
Display
Lamp/Message
Phenomenon
Detail
Mirror feed is not 
completed within the 
specified time. 
Section
Case 1
Cause
Mirror unit trouble, mirror 
wire breakage
Check & 
Remedy
Use SIM 1-1 to check the 
mirror operation. 
Main 
code
Sub 
code
Title
Mirror return trouble
L3
00
Display
Lamp/Message
Phenomenon
Detail
Mirror return is not 
completed within the 
specified time. 
Section
Case 1
Cause
Mirror unit trouble, mirror 
wire breakage
Check & 
Remedy
Use SIM 1-1 to check the 
mirror operation. 
Main 
code
Sub 
code
Title
Paper feed motor lock trouble
L4
02
Display
Lamp/Message
Phenomenon
Detail
In warm-up, or in canceling 
a jam, the paper feed 
motor is rotated, and the 
lock signal is not detected 
within 1sec.
Section
Paper feed
Case 1
Cause
Paper feed motor trouble, 
disconnection of the 
harness between the PCU 
PWB and the paper feed 
motor, control circuit 
trouble
Check & 
Remedy
Use SIM 6-1 to check the 
paper feed motor 
operation. Check the 
harness and the connector 
between the PCU PWB 
and the paper feed motor.
Main 
code
Sub 
code
Title
Transfer belt lift motor trouble
L4
06
Display
Lamp/Message
Phenomenon
Detail
When the belt motor lifts 
up or down, the change in 
the belt home position 
sensor characteristics is 
not detected within the 
specified time. 
(When the motor lifts up, 
the lower limit sensor 
remains ON after the 
specified time.)
(When the motor lifts 
down, the lower limit 
sensor does not turn on 
after the specified time.)
Section
Paper feed
Case 1
Cause
Belt lift motor trouble, 
disconnection of the 
harness between the PCU 
PWB and the belt lift motor, 
control circuit trouble
Check & 
Remedy
Use SIM 6-1 to check the 
belt lift motor operation. 
Check the harness and the 
connector between the PCU 
PWB and the belt lift motor. 
Main 
code
Sub 
code
Title
Transfer belt motor trouble
L4
07
Display
Lamp/Message
Phenomenon
Detail
1) Before driving the drum, 
the calibration plate is 
opened with the process 
control BK sensor, and 
light is emitted with the 
gain value of 0 and with 
the light emitting quantity 
fixed to 120. The average 
of ten light quantities 
repeats to be 5 or less for 
3 times continuously.
2) Immediately after 
driving the drum, the 
calibration plate is opened 
with the process control 
BK sensor, and one whole 
turn of the belt surface is 
scanned with the gain 
value of 0 and with the 
light emitting quantity at 
the optimum value (120 ~ 
50). The difference 
between the max. value 
and the min. value of the 
scanned data is 5 or less.
Section
Paper feed
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