YQE8-J0092E
35
Check
Item
Probable Cause
Corrective Action
A
Defective Ribbon Mark Sensor ASSY,
its connector, or cable disconnection.
Verify that the cable connection between Ribbon Sensor
ASSY and PCB HSSV7-JUNCTION-F ASSY (CN87-CN53,
CH88-CN53) is properly connected. If it is abnormal,
repairing at manufacturer is required.
Replace Ribbon Sensor ASSY 27 and if it works, the original
part is defective.
B
Defective PCB HSSV7-JUNCTION-F
ASSY, or cable disconnection.
Verify that cable connection between PCB HSSV7-CONT-F
ASSY and PCB HSSV7-JUNCTION-F ASSY (CN4-CN40)
is properly connected. If it is abnormal, repairing at
manufacturer is required.
C
Defective PCB HSSV7-CONT-F
ASSY.
Replace PCB HSSV7-CONT-F ASSY
1
and if it works,
the original part is defective.
D
Defective PCB HSSV7-JUNCTION-F
ASSY.
Replace PCB HSSV7-JUNCTION-F ASSY
3
and if it
works, the original part is defective.
E
Ribbon Mark Reflection Shield is dirty.
Verify that Ribbon Mark Reflection Shield Slicked on the
thermal head ASSY is not dirty. Clean if it is dirty
(
Refer to Section 2.6
)
F
Dust and/or foreign object in the ribbon
mark sensor ASSY.
Verify that there are no paper dusts, and foreign object on the
Ribbon Mark Sensor ASSY. (Refer to Section 2.6)
G
Defective DC Motor ASSY (Ribbon
Winding)
Use printer engine’s self diagnostic to test the operation of
DC Motor. If the diagnostic showed abnormality, replace the
DC Motor ASSY (Ribbon Winding)
6
.
H
Roll Failure of Ink Ribbon
Verify if there is no roll failure of Ink ribbon at winding or
supply side.
If there is roll failure, replace with the new ink ribbon.