Epson Stylus C110 Service Manual page 64

EPSON Stylus C110/C120/D120
Occurrence timing
Detailed phenomenon
CR position
The abnormal noise occurs at the first
power on timing and during each
operation although the printing operation
• Anytime
is performed.
• Anywhere
The Carriage Unit collides to the Upper-
Paper Guide Unit during each operation.
Print Quality State Detailed phenomenon
Ink is scarcely ejected to the Cap from
the Printhead.
• Dot missing and
mixed colors
Ink is ejected to the Cap from the
Printhead, but the printer does not
recover from the error after cleaning or
ink change.
TROUBLESHOOTING
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Table 3-13. Check point for the abnormal noise
Defective unit/
part name
Carriage Unit
ASF Unit
Upper Paper Guide
Unit
Table 3-14. Check point for the poor printing quality
Defective unit/
part name
Ink System Unit
(Cap Unit)
Printhead
Cleaner Blade
Main Board
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Check point
1. Check if the grease on the Carriage Path is sufficient.
1. Check if the Change Lever moves smoothly.
1. Check if the Upper Paper Guide Unit is attached securely.
(check if it interferes with the Carriage Unit)
Check point
1. Check if there is not any foreign material/damage around
the seal rubber part on the Cap Unit.
Seal rubber part
Compression
2. Check if the Compression Spring 1.47 is correctly
mounted on the Cap Unit.
1. Check if it returns to normal by performing CL operation
or replacing the Ink Cartridge.
2. Check if the Printhead is not damaged.
1. Check if the Cleaner Blade does not have paper dust or
bending.
1. Check if the Main Board is not damaged.
Troubleshooting
Remedy
1. Wipe off the remaining grease on the Carriage
path and lubricate it on its frame.
1. Replace the ASF Unit with a new one.
1. Reassemble the Upper Paper Guide to the Main
Frame.
Remedy
1. Remove the foreign material around the seal
rubber parts carefully.
Spring1.47
2. Replace the Ink System Unit with a new one.
1. Perform CL operation and the Ink Cartridge
replacement specified times. If it doesn't work,
change the Printhead with a new one.
2. Replace the Printhead with a new one.
1. Replace Ink System Unit with a new one.
1. Replace the Main Board with a new one.
Revision B
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