Epson 7000 사용자 설명서

3.

If the extra ink charge does not clear the clogged nozzles, confirm the 
following.

„

There is no damage to or foreign materials in/around the rubber of 
the Cap Assembly

„

The Cap Assembly valve is operating normally (if it is not, the Cap 
Assembly will not properly absorb ink

„

The Cap Assembly retention spring is working properly.

„

The ink tubes and pipes between the ink cartridges and printheads 
are properly connected and are not damaged (check the nuts for 
tightness, the O-rings for warping, and the tubes/pipes for ink 
leakage)

„

Remove the R-side cover and looking from above, make sure both 
heads are properly sealed when the printheads are in the capped 
position.

„

Put liquid in the caps and rotate the pump gears by hand to make 
sure the pump assembly is working correctly

„

While performing a cleaning operation, make sure the pump motor 
and gears are functioning correcting

„

Check the FFC connections, and reseat if necessary

4.

If after following the above steps the printout still shows missing dots, 
replace one of the parts listed below and check the print out.

„

Main Board

„

Printhead(s)

If printout quality suffers from unevenness, poor quality, or similar problems, 
check the following.

1.

Perform platen gap adjustment
Using the control-panel setting or the diagnostic-program function, check 
the platen gap (bi-directional printing position as well as PG adjustment).

2.

If this error occurs only when the user prints on custom or thick paper, 
(Use the control panel paper thickness setting to correct the paper size 
and the print position (depending on the paper-thickness setting, the 
location where the ink strikes the paper may change))

3.

If after following the above steps the printout quality has not improved, 
verify the following.

„

Head angle adjustment

„

Head height adjustment

„

„