Read Sharp AR-C170 (serv.man28) Service Manual online
AR-C170M TROUBLESHOOTING 11 - 13
Main
code
code
Sub
code
Title
Developing unit improper cartridge
detection (Black)
detection (Black)
F2
70
Display
Lamp/Message
Phenomenon Detail
When detecting the normal
CRUM of the cartridge,
improper data are detected
in the CRUM contents.
CRUM of the cartridge,
improper data are detected
in the CRUM contents.
Section
Developing
Case 1
Cause
Insertion of an improper
cartridge. Developing unit
trouble
cartridge. Developing unit
trouble
Check &
Remedy
Remedy
Replace the developing
unit.
unit.
Main
code
code
Sub
code
Title
Developing unit improper cartridge
detection (Cyan)
detection (Cyan)
F2
71
Display
Lamp/Message
Phenomenon Detail
When detecting the normal
CRUM of the cartridge,
improper data are detected
in the CRUM contents.
CRUM of the cartridge,
improper data are detected
in the CRUM contents.
Section
Developing
Case 1
Cause
Insertion of an improper
cartridge. Developing unit
trouble
cartridge. Developing unit
trouble
Check &
Remedy
Remedy
Replace the developing
unit.
unit.
Main
code
code
Sub
code
Title
Developing unit improper cartridge
detection (Magenta)
detection (Magenta)
F2
72
Display
Lamp/Message
Phenomenon Detail
When detecting the normal
CRUM of the cartridge,
improper data are detected
in the CRUM contents.
CRUM of the cartridge,
improper data are detected
in the CRUM contents.
Section
Developing
Case 1
Cause
Insertion of an improper
cartridge. Developing unit
trouble
cartridge. Developing unit
trouble
Check &
Remedy
Remedy
Replace the developing
unit.
unit.
Main
code
code
Sub
code
Title
Developing unit improper cartridge
detection (Yellow)
detection (Yellow)
F2
73
Display
Lamp/Message
Phenomenon Detail
When detecting the normal
CRUM of the cartridge,
improper data are detected
in the CRUM contents.
CRUM of the cartridge,
improper data are detected
in the CRUM contents.
Section
Developing
Case 1
Cause
Insertion of an improper
cartridge. Developing unit
trouble
cartridge. Developing unit
trouble
Check &
Remedy
Remedy
Replace the developing
unit.
unit.
Main
code
code
Sub
code
Title
Developing unit CRUM trouble
(Black)
(Black)
F2
74
Display
Lamp/Message
Phenomenon Detail
CRUM read/write error
Section
Developing
Case 1
Cause
Improper connection or
disconnection of the
connector and the harness
between the PCU and the
CRUM.
disconnection of the
connector and the harness
between the PCU and the
CRUM.
Check &
Remedy
Remedy
Check the connector and
the harness between the
PCU and the CRUM.
the harness between the
PCU and the CRUM.
Case 2
Cause
Developing unit trouble
Check &
Remedy
Remedy
Replace the developing
unit.
unit.
Case 3
Cause
Control PWB (PCU) trouble
Check &
Remedy
Remedy
Replace the PCU PWB.
Main
code
code
Sub
code
Title
Developing unit CRUM trouble
(Cyan)
(Cyan)
F2
75
Display
Lamp/Message
Phenomenon Detail
CRUM read/write error
Section
Developing
Case 1
Cause
Improper connection or
disconnection of the
connector and the harness
between the PCU and the
CRUM.
disconnection of the
connector and the harness
between the PCU and the
CRUM.
Check &
Remedy
Remedy
Check the connector and
the harness between the
PCU and the CRUM.
the harness between the
PCU and the CRUM.
Case 2
Cause
Developing unit trouble
Check &
Remedy
Remedy
Replace the developing
unit.
unit.
Case 3
Cause
Control PWB (PCU) trouble
Check &
Remedy
Remedy
Replace the PCU PWB.
Main
code
code
Sub
code
Title
Developing unit CRUM trouble
(Magenta)
(Magenta)
F2
76
Display
Lamp/Message
Phenomenon Detail
CRUM read/write error
Section
Developing
Case 1
Cause
Improper connection or
disconnection of the
connector and the harness
between the PCU and the
CRUM.
disconnection of the
connector and the harness
between the PCU and the
CRUM.
Check &
Remedy
Remedy
Check the connector and
the harness between the
PCU and the CRUM.
the harness between the
PCU and the CRUM.
Case 2
Cause
Developing unit trouble
Check &
Remedy
Remedy
Replace the developing
unit.
unit.
Case 3
Cause
Control PWB (PCU) trouble
Check &
Remedy
Remedy
Replace the PCU PWB.
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