Epson Stylus Pro 4000 Product Support Bulletin page 11

5.6.7 You can select Custom, then click the Advanced button
to select resolution and color options.
5.6.8 When you have finished your selections return to the
Main tab and click OK to exit the printer properties.
To obtain the best image quality select a resolution of
TIP
1440 or higher with High Speed unchecked. The finest
detail selection renders at 720dpi instead of 360dpi
and will reduce the maximum page length to 41.66" vs
83.3"
5.7 Click OK on the next two Page Setup screens.
EPSON Professional Graphics Group
5.8 Click Print on the Print With Preview screen.
5.9 Click Proceed if you see the following message:
5.10 On the Print screen click OK to print your image.
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