YQE8-J0092E
32
Check
Item
Probable Cause
Corrective Action
A
Defective part inside Paper Box.
Verify that the part inside the Paper Box is properly working.
If it is abnormal, repairing at manufacturer is required.
B
Defective DC Motor ASSY (Paper
Feed Pinch Up/Down
)
Replace DC Motor ASSY (Paper Feed Pinch Up/Down)
9
and if it works, the original part is defective.
C
Paper Feed Roller of Paper Box is
dirty.
Use a clear cloth soaked with isopropyl alcohol to clean the
Paper Feed Roller.
(Refer to Section 2.6 of this document)
D
Defective Paper Feed Sub-Motor, its
connector or cable disconnection.
Verify that the wire between Paper Feed Sub-Motor and PCB
HSSV7-CONT-F ASSY (CN7) is properly connected. If it is
abnormal, repairing at manufacturer is required.
If properly connected but Sub-Motor does not work, the sub-
motor may be defective. Repairing at the manufacturer is
required.
E
Defective Electromagnetic Clutch
(Paper Feed), its connector or cable
disconnection.
Verify the cable between Electromagnetic Clutch (Paper
Feed) and PCB HSSV7-CONT-F ASSY (CN12-CN65) is
properly connected. If it is abnormal, repairing at
manufacturer is required.
Replace the Electromagnetic Clutch (Paper Feed) 11 and if it
works, the original part is defective.
F
Defective Print Position Sensor, its
connector or cable disconnection.
Verify the cable between Print Position sensor and PCB
HSSV7-JUNCTION-F ASSY (CN46-CN83) is properly
connected. If it is abnormal, repairing at manufacturer is
required.
Print Position sensor is inside Feed Roller Guide ASSY.
Replace Feed Roller Guide ASSY 21 and if it works, the
original part is defective.
G
Dirt or foreign object at the paper path.
Verify that if there is no dirt or foreign objects at paper path.
H
Defective Ejection Roller ASSY
Replace Ejection Roller ASSY 16 and if it works, the
original part is defective.
I
Roll Failure of Paper
Verify whether the paper has no roll failure.
If it has, replace with the new paper.