Epson 2200 - Stylus Photo Color Inkjet Printer, Service Manual

Page: 105 / 258

EPSON Stylus PHOTO 2100/2200 Revision B
TROUBLESHOOTING Troubleshooting 105
Dot missing and
mixed colors
(Continued)
[Phenomenon 1] (Continued)
In the CL sequence, the Pump
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) Cap unit 3. Check that the Ink tube is connected to the bottom of the Cap unit
correctly.
3. Connect the Ink tube correctly
[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) 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.
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.
Main board 1. Check the Main board for a failure. 1. Change the Main board for a new one.
Table 3-18. Print Quality Fault Check Points
Print Quality State Phenomenon Detail
Faulty Part/
Part Name
Check Point Remedy
Pump tube
connection point