Epson Stylus CX7300 Service Manual page 84

EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C
Occurrence
timing Detailed phenomenon
CR position
The abnormal noise occurs at the first
power on timing and during each
operation although the printing
• Anytime
operation is performed.
• Anywhere
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 Carriage Unit does
not light up.
TROUBLESHOOTING
Table 3-20. Check point for the abnormal noise
Defective
unit/part name
1. Check if the grease on the Carriage Path is sufficient.
Carriage Unit
1. Check if the Change Lever moves smoothly.
ASF Unit
Upper Paper Guide 1. Check if the Upper Paper Guide Unit is attached
Unit securely. (check if it interferes with the Carriage Unit)
Table 3-21. Check point for the defective scanned image quality
Defective
unit/part name
1. Check if there is any foreign material on the Document
Upper Scanner
Glass.
Housing
1. Check if there is not foreign material on the LED.
Scanner Carriage
Unit
Scanner Carriage 1. Check if the LED lights up.
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. Reassemble the Upper Paper Guide to the
Check point
1. Remove the foreign material from the
1. Remove the foreign material from the
1. Replace the Scanner Carriage Unit with a new
Remedy
path and lubricate it on its frame.
Main Frame.
Remedy
Document Glass.
(Refer to Chapter 6 "MAINTENANCE"
(p.151).)
Document Glass (blow away the dusts).
one.
Confidential
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