Epson 2200 - Stylus Photo Color Inkjet Printer Service Manual page 105

EPSON Stylus PHOTO 2100/2200
Print Quality State Phenomenon Detail
Dot missing and [Phenomenon 1] (Continued)
mixed colors In the CL sequence, the Pump
(Continued) unit operates properly but ink is
not ejected to the Waste ink pads.
Ink is not sucked from the
Printhead into the Cap at all.
Hence, printing is not executed if
a print command is given to the
printer. (Dot missing)
[Phenomenon 2]
In the CL 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 CL.
(Dot missing)
TROUBLESHOOTING
Table 3-18. Print Quality Fault Check Points
Faulty Part/
Part Name
Cap unit 3. Check that the Ink tube is connected to the bottom of the Cap unit
correctly.
connection point
Printhead 1. Check that each segment is printed correctly in the nozzle check
pattern
2. Check the connection states of both Connectors CN10, CN11 of
the Head FFC.
3. Check the Head FFC for damage.
Main board 1. Check the Main board for a failure.
Troubleshooting
Check Point
Pump tube
Revision B
Remedy
3. Connect the Ink tube correctly
1. Perform Printhead cleaning and check the
nozzle check pattern.
2. Connect both Connectors CN10, CN11 of the
Head FFC correctly.
3. Change the Head FFC for a new one.
If the problem still persists, change the
Printhead for a new one.
1. Change the Main board for a new one.
105