Epson T5270 User Manual

Page of 213
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
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. 
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.