Epson Stylus NX105 Service Manual page 48

Epson STYLUS NX100/NX105/SX100/SX105/TX100/TX101/TX102/TX103/TX105/TX106/TX109/ME 300
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
Table 3-12. Check point for the defective printing quality
Defective
unit/part name
1. Check if there is not any foreign material/damage around
the seal rubber part on the Cap Assy.
Cap Assy
2. Check if the Compression Spring is correctly mounted on
the Cap Assy.
1. Check if it returns to normal by performing CL operation
or replacing the Ink Cartridge.
Printhead
2. Check if the Printhead is damaged.
Cleaner Blade 1. Check if the Cleaner Blade has paper dust or bending.
1. Check the routing of the Waste Ink Tube.
Ink System
2. Check if the Pump Assy is correctly assembled.
Main Board 1. Check if the Main Board is damaged.
Error Indications and Fault Occurrence Causes
Check point
1. Remove the foreign material around the seal
Seal rubber part
Compression
Spring
2. Replace the Cap Assy with a new one.
1. Perform CL operation and the Ink Cartridge
2. Replace the Printhead with a new one.
1. Replace the Cap Assy with a new one.
1. Route the Waste Ink Tube correctly.
2. Reassemble the Pump Assy correctly.
1. Replace the Main Board with a new one.
Revision A
Remedy
rubber parts carefully.
replacement specified times. If it doesn't work,
change the Printhead with a new one.
Confidential
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