YQE8-J0092E
28
T
Defective Ejection Pinch Roller
Position sensor, its connector, or cable
disconnection.
Defective DC Motor ASSY (Ejection
Pinch Up/Down), its connector, or
cable disconnection.
Verify that the cable between Ejection Pinch Roller Position
sensor and PCB HSSV7-JUNCTION-F ASSY (CN39-CN84,
CN39-CN85) is properly connected. If it is abnormal,
repairing at manufacturer is required.
Verify that the cable between DC Motor ASSY (Ejection
Pinch Up/Down) and PCB HSSV7-CONT-F ASSY (CN12-
CN59) is properly connected. If it is abnormal, repairing at
manufacturer is required.
Replace DC Motor ASSY (Ejection Pinch Up/Down) 29 and
if it works, DC Motor ASSY (Paper Feed Pinch Up/Down) is
defective.
U
Defective Paper Feed Cover Open
Switch, its connector, or cable
disconnection.
Verify that the Paper Feed Cover Open Switch is operational.
If it is abnormal, repairing at manufacturer is required.
Verify that the cable between the Paper Feed Cover Open
Switch and PCB HSSV7-JUNCTION-F ASSY (CN48-
CN89) is properly connected. If it is abnormal, repairing at
manufacturer is required.
V
Dirty Paper Feed Roller of Paper Box.
Use a clear cloth soaked with isopropyl alcohol to clean the
Paper Feed Roller of Paper Box. (Refer to Section 2.6 of
this document)
W
Defective Thermal Head ASSY, its
connector, or cable disconnection.
Verify that the cable between Thermal Head connector and
PCB HSSV7-CONT-F ASSY (CN3-CN22) is properly
connected. If it is abnormal, repairing at manufacturer is
required.
Replace the Thermal Head ASSY
5
and if it works,
Thermal Head ASSY is defective.
X
Defective Ambient Temperature
Sensor, its connector, or cable
disconnection.
Verify that the Ambient Temperature Sensor is operational.
If it is abnormal, repairing at manufacturer is required.
Verify that the cable between the Ambient Temperature
Sensor and PCB HSSV7-JUNCTION-F ASSY (CN52-
CN90) is properly connected. If it is abnormal, repairing at
manufacturer is required.
Y
Defective Electromagnetic Clutch , its
connector, or cable
disconnection.
Verify that the cable between Electromagnetic Clutch and
PCB HSSV7-CONT-F ASSY (CN12-CN65) is connected
properly.
Replace Electromagnetic Clutch 11 and if it works, the
original part is defective.