Epson Stylus NX105 Service Manual page 47

Color inkjet printer
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Epson STYLUS NX100/NX105/SX100/SX105/TX100/TX101/TX102/TX103/TX105/TX106/TX109/ME 300
Occurrence
timing
Detailed phenomenon
CR position
The abnormal noise occurs at the first
power on timing and during each
operation although the printing
operation is performed.
• Anytime
The bottom of the Carriage Unit contacts
• Anywhere
the surface of the EJ Frame Assy.
The Carriage Unit collides to the Upper
Paper Guide Unit during each operation.
Print Quality
Detailed phenomenon
State
There are dusts or the like on the
Document Glass. (white dots appear on
the scanned image)
• Scanned image is
There are dusts or the like on the LED
not clear.
inside the Rod Lens Array. (vertical
stripes appear on the scanned image)
The LED of Scanner CIS Unit does not
light up.
TROUBLESHOOTING
Table 3-10. Check point for the abnormal noise
Defective
unit/part name
1. Check if the grease on the Carriage Path is sufficient.
Carriage Unit
(TBD)
1. Check if the Change Lever moves smoothly.
ASF Unit
1. Check if the EJ Frame Assy is bent up.
EJ Frame Assy
1. Check if the Upper Paper Guide is attached securely.
Upper Paper Guide
(check if it interferes with the Carriage Unit)
Table 3-11. Check point for the defective scanned image quality
Defective
unit/part name
1. Check if there is foreign material on the Document
Upper Scanner
Glass.
Housing
1. Check if there is foreign material on the LED.
CIS Unit
2. Check if the Rod Lens Array is damaged.
1. Check if the LED lights up.
CIS Unit
Error Indications and Fault Occurrence Causes
Check point
1. Wipe off the remaining grease on the Carriage
1. Replace the ASF Unit with a new one.
1. Replace the EJ Frame Assy with a new one.
1. Reassemble the Upper Paper Guide to the
Check point
1. Remove the foreign material from the
1. Remove the foreign material from the CIS
2. Replace the CIS Unit with a new one.
1. Replace the CIS Unit with a new one.
Revision A
Remedy
path and lubricate it on its frame.
(TBD)
Main Frame.
Remedy
Document Glass.
(Refer to
Chapter 6 "MAINTENANCE"
(p.108).)
Unit. (blow away the dusts)
Confidential
47

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