EPSON Stylus Photo R800 Revision A
TROUBLESHOOTING Overview 63
Dot missing and
mixed colors
(Continued)
[Phenomenon 2]
In the cleaning sequence, ink
is ejected to the Waste Ink
Pads. However, Dot missing/
displacement occurs in all
nozzles during printing and
this problem is not resolved
after several times of
cleaning. (Dot missing)
Print Head 1. Check that each segment is printed correctly in the Nozzle
Check Pattern
1. Perform Head Cleaning and check the
Nozzle Check Pattern.
2. Check that the Head FFC is securely connected to the
Print Head Connectors and Main Board Connectors
(CN11, CN12, CN13, CN14).
2. Connect the Head FFC to the Print Head
and Main Board Connectors.
3. Check the Head FFC for damage. 3. Change the Head FFC for a new one.
If the problem still persists, also change
the Print Head.
Main Board 1. Check the Main Board for damage. 1. Change the Main Board for a new one.
Table 3-15. Print Quality Fault Check Points
Print Quality State Phenomenon Detail
Faulty Part/
Part Name
Check Point Remedy
Head FFC
Print Head
Connectors
Main Board Connectors
Download Service Manual And Resetter Printer at http://printer1.blogspot.com
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