Sharp AR-C170 (serv.man28) Service Manual ▷ View online
AR-C170M TROUBLESHOOTING 11 - 5
Main
code
code
Sub
code
Title
LED controller output trouble
(Black)
(Black)
E7
24
Display
Lamp/Message
Phenomenon Detail
When printing, the print end
signal for each page is not
properly provided.
signal for each page is not
properly provided.
Section
LED/ICU PWB
Case 1
Cause
Disconnection of the LED
head connector.
head connector.
Check &
Remedy
Remedy
Check connection of the
LED head connector.
LED head connector.
Case 2
Cause
Disconnection of the
harness inside the LED
head.
harness inside the LED
head.
Check &
Remedy
Remedy
Replace the LED head unit.
Case 3
Cause
ICU PWB abnormality
Check &
Remedy
Remedy
Replace the ICU PWB.
Main
code
code
Sub
code
Title
LED controller output trouble
(Cyan)
(Cyan)
E7
25
Display
Lamp/Message
Phenomenon Detail
When printing, the print end
signal for each page is not
properly provided.
signal for each page is not
properly provided.
Section
LED/ICU PWB
Case 1
Cause
Disconnection of the LED
head connector.
head connector.
Check &
Remedy
Remedy
Check connection of the
LED head connector.
LED head connector.
Case 2
Cause
Disconnection of the
harness inside the LED
head.
harness inside the LED
head.
Check &
Remedy
Remedy
Replace the LED head unit.
Case 3
Cause
ICU PWB abnormality
Check &
Remedy
Remedy
Replace the ICU PWB.
Main
code
code
Sub
code
Title
LED controller output trouble
(Magenta)
(Magenta)
E7
26
Display
Lamp/Message
Phenomenon Detail
When printing, the print end
signal for each page is not
properly provided.
signal for each page is not
properly provided.
Section
LED/ICU PWB
Case 1
Cause
Disconnection of the LED
head connector.
head connector.
Check &
Remedy
Remedy
Check connection of the
LED head connector.
LED head connector.
Case 2
Cause
Disconnection of the
harness inside the LED
head.
harness inside the LED
head.
Check &
Remedy
Remedy
Replace the LED head unit.
Case 3
Cause
ICU PWB abnormality
Check &
Remedy
Remedy
Replace the ICU PWB.
Main
code
code
Sub
code
Title
LED controller output trouble
(Yellow)
(Yellow)
E7
27
Display
Lamp/Message
Phenomenon Detail
When printing, the print end
signal for each page is not
properly provided.
signal for each page is not
properly provided.
Section
LED/ICU PWB
Case 1
Cause
Disconnection of the LED
head connector
head connector
Check &
Remedy
Remedy
Check connection of the
LED head connector.
LED head connector.
Case 2
Cause
Disconnection of the
harness inside the LED
head.
harness inside the LED
head.
Check &
Remedy
Remedy
Replace the LED head unit
Case 3
Cause
ICU PWB abnormality
Check &
Remedy
Remedy
Replace the ICU PWB.
Main
code
code
Sub
code
Title
LED control ASIC connection
abnormality
abnormality
E7
28
Display
Lamp/Message
Phenomenon Detail
Access error between the
PCU PWB CPU and the
LED control ASIC
PCU PWB CPU and the
LED control ASIC
Section
ICU/PCU PWB
Case 1
Cause
Disconnection of the ICU/
PCU PWB communication
connector
PCU PWB communication
connector
Check &
Remedy
Remedy
Check connection of the
ICU/PCU PWB
communication connector
ICU/PCU PWB
communication connector
Case 2
Cause
ICU/PCU PWB
communication harness
trouble.
communication harness
trouble.
Check &
Remedy
Remedy
Check the ICU/PCU PWB
communication harness.
communication harness.
Case 3
Cause
ICU PWB/PCU PWB
trouble
trouble
Check &
Remedy
Remedy
Check grounding of the
machine. Replace the ICU
PWB or the PCU PWB.
machine. Replace the ICU
PWB or the PCU PWB.
Main
code
code
Sub
code
Title
Color correction data write
abnormality
abnormality
E7
40
Display
Lamp/Message
Phenomenon Detail
Data write error to the
Nand-Flash for holding
color correction data
Nand-Flash for holding
color correction data
Section
MFP PWB
Case 1
Cause
Color correction data
rewrite error
rewrite error
Check &
Remedy
Remedy
Perform rewriting of color
correction data again.
correction data again.
Case 2
Cause
MFP PWB trouble
Check &
Remedy
Remedy
Replace the MFP PWB.
AR-C170M TROUBLESHOOTING 11 - 6
Main
code
code
Sub
code
Title
Color correction data transfer
abnormality
abnormality
E7
41
Display
Lamp/Message
Phenomenon Detail
Data transfer error from the
Nand-Flash for holding
color correction data to the
FC-RAM for holding color
correction image process
Nand-Flash for holding
color correction data to the
FC-RAM for holding color
correction image process
Section
MFP PWB
Case 1
Cause
MFP PWB trouble
Check &
Remedy
Remedy
Replace the MFP PWB.
Main
code
code
Sub
code
Title
ICU-SCN communication trouble
(ICU detection)
(ICU detection)
E7
80
Display
Lamp/Message
Phenomenon Detail
Communication
establishment error,
framing, parity, protocol
error
establishment error,
framing, parity, protocol
error
Section
ICU/MFP PWB
Case 1
Cause
Disconnection of the ICU/
MFP PWB scanner
communication connector.
Defective harness of the
ICU PWB and the MFP
PWB.
MFP PWB scanner
communication connector.
Defective harness of the
ICU PWB and the MFP
PWB.
Check &
Remedy
Remedy
Check connection of the
ICU PWB and the MFP
PWB. Check the harness.
ICU PWB and the MFP
PWB. Check the harness.
Case 2
Cause
ICU/MFP PWB trouble
Check &
Remedy
Remedy
Check grounding of the
machine. Replace the ICU
PWB or the MFP PWB.
machine. Replace the ICU
PWB or the MFP PWB.
Main
code
code
Sub
code
Title
ICU-PCU communication trouble
(ICU detection)
(ICU detection)
E7
90
Display
Lamp/Message
Phenomenon Detail
Communication
establishment error,
framing, parity, protocol
error
establishment error,
framing, parity, protocol
error
Section
ICU/PCU PWB
Case 1
Cause
Disconnection of the ICU/
PCU PWB scanner
communication connector.
Defective harness of the
ICU PWB and the PCU
PWB.
PCU PWB scanner
communication connector.
Defective harness of the
ICU PWB and the PCU
PWB.
Check &
Remedy
Remedy
Check connection of the
ICU PWB and the PCU
PWB. Check the harness.
ICU PWB and the PCU
PWB. Check the harness.
Case 2
Cause
ICU/PCU PWB trouble
Check &
Remedy
Remedy
Check grounding of the
machine. Replace the ICU
PWB or the PCU PWB.
machine. Replace the ICU
PWB or the PCU PWB.
Main
code
code
Sub
code
Title
Saddle finisher/sorter
communication trouble (Machine
detection)
communication trouble (Machine
detection)
F1
00
Display
Lamp/Message
Phenomenon Detail
Communication line test
error when turning on the
power or after canceling the
exclusive simulation.
Communication error with
the saddle finisher/sorter.
error when turning on the
power or after canceling the
exclusive simulation.
Communication error with
the saddle finisher/sorter.
Section
PCU PWB and saddle
finisher/sorter
finisher/sorter
Case 1
Cause
Disconnection of the PCU-
saddle finisher/sorter
connector, defective contact
or disconnection of the
harness.
saddle finisher/sorter
connector, defective contact
or disconnection of the
harness.
Check &
Remedy
Remedy
Check the connector and
the harness of the
communication line.
the harness of the
communication line.
Case 2
Cause
Saddle finisher/sorter
control PWB trouble
control PWB trouble
Check &
Remedy
Remedy
Replace the saddle finisher/
sorter control PWB.
sorter control PWB.
Case 3
Cause
Control PWB (PCU) trouble
Check &
Remedy
Remedy
Replace the PCU PWB.
Case 4
Cause
Malfunctions by noises
Check &
Remedy
Remedy
—
Common
Cancel
method
method
Can be canceled by turning
OFF/ON the power.
OFF/ON the power.
Main
code
code
Sub
code
Title
Saddle finisher transport motor
trouble (Saddle finisher detection)
trouble (Saddle finisher detection)
F1
02
Display
Lamp/Message
Phenomenon Detail
Transport motor drive
trouble
trouble
Section
Transport
Case 1
Cause
Motor lock
Check &
Remedy
Remedy
Use SIM 3-3 to check the
transport motor operation.
transport motor operation.
Case 2
Cause
Motor RPM abnormality
Check &
Remedy
Remedy
Same as Case 1.
Case 3
Cause
Over current to the motor
Check &
Remedy
Remedy
Same as Case 1.
Case 4
Cause
Saddle finisher control PWB
trouble
trouble
Check &
Remedy
Remedy
Same as Case 1.
AR-C170M TROUBLESHOOTING 11 - 7
Main
code
code
Sub
code
Title
Saddle finisher paddle motor
trouble
trouble
F1
03
Display
Lamp/Message
Phenomenon Detail
Paddle motor operation
trouble
trouble
Section
Saddle finisher
Case 1
Cause
Motor lock
Check &
Remedy
Remedy
Use SIM 3-3 to check the
motor operation.
motor operation.
Case 2
Cause
Motor RPM abnormality
Check &
Remedy
Remedy
Same as Case 1.
Case 3
Cause
Over current to the motor
Check &
Remedy
Remedy
Same as Case 1.
Case 4
Cause
Saddle finisher control PWB
trouble
trouble
Check &
Remedy
Remedy
Same as Case 1.
Main
code
code
Sub
code
Title
Saddle finisher slide motor trouble
F1
06
Display
Lamp/Message
Phenomenon Detail
Slide motor operation
trouble
trouble
Section
Saddle finisher
Case 1
Cause
Motor lock
Check &
Remedy
Remedy
Use SIM 3-3 to check the
motor operation.
motor operation.
Case 2
Cause
Motor RPM abnormality
Check &
Remedy
Remedy
Same as Case 1.
Case 3
Cause
Over current to the motor
Check &
Remedy
Remedy
Same as Case 1.
Case 4
Cause
Saddle finisher control PWB
trouble
trouble
Check &
Remedy
Remedy
Same as Case 1.
Main
code
code
Sub
code
Title
Saddle finisher staple motor
trouble (Saddle finisher detection)
trouble (Saddle finisher detection)
F1
10
Display
Lamp/Message
Phenomenon Detail
Stapling operation trouble
Section
Saddle finisher
Case 1
Cause
Motor lock
Check &
Remedy
Remedy
Use SIM 3-3 to check the
staple motor operation.
staple motor operation.
Case 2
Cause
Motor RPM abnormality
Check &
Remedy
Remedy
Same as Case 1.
Case 3
Cause
Over current to the motor
Check &
Remedy
Remedy
Same as Case 1.
Case 4
Cause
Saddle finisher control PWB
trouble
trouble
Check &
Remedy
Remedy
Same as Case 1.
Main
code
code
Sub
code
Title
Saddle finisher bundle process
motor abnormality (Saddle finisher
detection)
motor abnormality (Saddle finisher
detection)
F1
11
Display
Lamp/Message
Phenomenon Detail
Bundle process motor
trouble
trouble
Section
Saddle finisher
Case 1
Cause
Motor lock
Check &
Remedy
Remedy
Use SIM 3-3 to check the
bundle process motor
operation.
bundle process motor
operation.
Case 2
Cause
Motor RPM abnormality
Check &
Remedy
Remedy
Same as Case 1.
Case 3
Cause
Over current to the motor
Check &
Remedy
Remedy
Same as Case 1.
Case 4
Cause
Saddle finisher control PWB
trouble
trouble
Check &
Remedy
Remedy
Same as Case 1.
Main
code
code
Sub
code
Title
Saddle finisher tray lift motor
abnormality (Saddle finisher
detection)
abnormality (Saddle finisher
detection)
F1
15
Display
Lamp/Message
Phenomenon Detail
Lift motor trouble
Section
Saddle finisher
Case 1
Cause
Motor lock
Check &
Remedy
Remedy
Use SIM 3-3 to check the
tray lift motor operation.
tray lift motor operation.
Case 2
Cause
Motor RPM abnormality
Check &
Remedy
Remedy
Same as Case 1.
Case 3
Cause
Over current to the motor
Check &
Remedy
Remedy
Same as Case 1.
Case 4
Cause
Saddle finisher control PWB
trouble
trouble
Check &
Remedy
Remedy
Same as Case 1.
Main
code
code
Sub
code
Title
Saddle finisher front alignment
motor abnormality (Saddle finisher
detection)
motor abnormality (Saddle finisher
detection)
F1
19
Display
Lamp/Message
Phenomenon Detail
Front alignment motor
trouble
trouble
Section
Saddle finisher
Case 1
Cause
Motor lock
Check &
Remedy
Remedy
Use SIM 3-3 to check the
front alignment motor
operation.
front alignment motor
operation.
Case 2
Cause
Motor RPM abnormality
Check &
Remedy
Remedy
Same as Case 1.
Case 3
Cause
Over current to the motor
Check &
Remedy
Remedy
Same as Case 1.
Case 4
Cause
Saddle finisher control PWB
trouble
trouble
Check &
Remedy
Remedy
Same as Case 1.
AR-C170M TROUBLESHOOTING 11 - 8
Main
code
code
Sub
code
Title
Saddle finisher rear alignment
motor abnormality (Saddle finisher
detection)
motor abnormality (Saddle finisher
detection)
F1
20
Display
Lamp/Message
Phenomenon Detail
Rear alignment motor
trouble
trouble
Section
Saddle finisher
Case 1
Cause
Motor lock
Check &
Remedy
Remedy
Use SIM 3-3 to check the
rear alignment motor
operation.
rear alignment motor
operation.
Case 2
Cause
Motor RPM abnormality
Check &
Remedy
Remedy
Same as Case 1.
Case 3
Cause
Over current to the motor
Check &
Remedy
Remedy
Same as Case 1.
Case 4
Cause
Saddle finisher control PWB
trouble
trouble
Check &
Remedy
Remedy
Same as Case 1.
Main
code
code
Sub
code
Title
Saddle finisher fold sensor trouble
F1
31
Display
Lamp/Message
Phenomenon Detail
Sensor input value
abnormality
abnormality
Section
Saddle finisher
Case 1
Cause
Sensor breakage
Check &
Remedy
Remedy
Use SIM 3-2 to check the
sensor operation.
sensor operation.
Case 2
Cause
Harness disconnection
Check &
Remedy
Remedy
Same as case 1.
Case 3
Cause
Saddle finisher control PWB
trouble
trouble
Check &
Remedy
Remedy
Same as Case 1.
Main
code
code
Sub
code
Title
Saddle finisher punch unit
communication trouble
communication trouble
F1
32
Display
Lamp/Message
Phenomenon Detail
Communication error
between the saddle finisher
and the punch unit
between the saddle finisher
and the punch unit
Section
Saddle finisher
Case 1
Cause
Improper connection or
disconnection of the
connector and the harness
of the saddle finisher and
the punch unit.
disconnection of the
connector and the harness
of the saddle finisher and
the punch unit.
Check &
Remedy
Remedy
Check the connector and
the harness of the
communication line.
the harness of the
communication line.
Case 2
Cause
Control PWB (PCU) trouble
Check &
Remedy
Remedy
Replace the PCU PWB.
Case 3
Cause
Saddle finisher control PWB
trouble
trouble
Check &
Remedy
Remedy
Replace the saddle finisher
control PWB.
control PWB.
Case 4
Cause
Malfunction by noises
Check &
Remedy
Remedy
—
Common
Cancel
method
method
Can be canceled by turning
OFF/ON the power.
OFF/ON the power.
Main
code
code
Sub
code
Title
Saddle finisher punch side
registration motor trouble
registration motor trouble
F1
33
Display
Lamp/Message
Phenomenon Detail
Punch side registration
motor operation trouble
motor operation trouble
Section
Saddle finisher
Case 1
Cause
Motor lock
Check &
Remedy
Remedy
Use SIM 3-3 to check the
punch side registration
motor operation.
punch side registration
motor operation.
Case 2
Cause
Motor RPM abnormality
Check &
Remedy
Remedy
Same as Case 1.
Case 3
Cause
Over current to the motor
Check &
Remedy
Remedy
Same as Case 1.
Case 4
Cause
Saddle finisher control PWB
trouble
trouble
Check &
Remedy
Remedy
Same as Case 1.
Main
code
code
Sub
code
Title
Saddle finisher punch motor
trouble
trouble
F1
34
Display
Lamp/Message
Phenomenon Detail
Punch motor operation
trouble
trouble
Section
Saddle finisher
Case 1
Cause
Motor lock
Check &
Remedy
Remedy
Use SIM 3-3 to check the
punch motor operation.
punch motor operation.
Case 2
Cause
Motor RPM abnormality
Check &
Remedy
Remedy
Same as Case 1.
Case 3
Cause
Over current to the motor
Check &
Remedy
Remedy
Same as Case 1.
Case 4
Cause
Saddle finisher control PWB
trouble
trouble
Check &
Remedy
Remedy
Same as Case 1.
Main
code
code
Sub
code
Title
Saddle finisher punch side
registration sensor trouble
registration sensor trouble
F1
35
Display
Lamp/Message
Phenomenon Detail
Sensor input value
abnormality
abnormality
Section
Saddle finisher
Case 1
Cause
Sensor breakage
Check &
Remedy
Remedy
Use SIM 3-2 to check the
sensor operation.
sensor operation.
Case 2
Cause
Harness disconnection
Check &
Remedy
Remedy
Same as case 1.
Case 3
Cause
Saddle finisher control PWB
trouble
trouble
Check &
Remedy
Remedy
Same as Case 1.
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