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Epson SureColor T-Series User’s Guide
Maintenance
159
complete.
In manual adjustment, you need to check the
pattern and enter the optimum adjustment value
for alignment. Manual alignment can be used with
cut sheets or other paper that does not support
auto alignment or if auto alignment does not fix
the problem completely.
Printing the pattern for manual head alignment
takes from 7 to 11 minutes. The time required
varies with the size of the pattern printed.
Uni-D and Bi-D head alignment are available in
both auto and manual modes. Bi-D is
recommended in most circumstances. Choose
Uni-D if Bi-D head alignment does not completely
fix the problem.
O From the computer
A computer can be used for auto head alignment.
In most cases, head alignment can be performed
successfully with just this operation. We normally
recommend this method as this is the simplest
method. Auto head alignment takes about 30
minutes to complete. Manual head alignment can
be performed from the printer's control panel if
you are using cut sheets or other paper that does
not support auto alignment or if auto alignment
does to fix the problem completely.
From the computer
Explanations in this section use the Windows printer
driver as an example.
Use Epson Printer Utility 4 for Mac OS X.
U“Using Epson Printer Utility 4” on page 122
1
Load roll paper in the printer.
Choose a paper type that matches the paper in
the printer.
2
Click Print Head Alignment from the Utility
tab in the printer driver's Properties (or
Printing preferences) screen.
Note:
Head Alignment is adjusted according to the paper
currently loaded in the printer. Load the paper for which
head alignment is required.
Note, however, that auto head alignment is not
available with the paper or in the circumstances listed
below.
O Transparent or colored media is loaded in the
printer.
O The paper loaded in the printer does not support
auto head alignment.
See the following for information on the types of
paper that support auto head alignment.
U“Epson Special Media Table” on page 187
O The current paper is more than 1.0 mm thick.
O The printer is exposed to direct sunlight or another
light source that causes optical interference.
Head Alignment may also fail to produce the desired
results if nozzles are clogged. Perform head cleaning to
clear any clogs before proceeding.