Make sure the original is placed correctly against the alignment marks.
If the edges of the scanned image are cut off, move the original slightly away from the edges of the scanner glass.
If the original is thick, place it in the center of the scanner glass. Make sure that exterior light, such as from lamps or other sources, does not shine directly onto the scanner glass.
The maximum size of the original you can scan is 215.9×297.1 mm (8.5×11.7 in.).
There are areas at the top, bottom, left, and right edges of the scanner glass that cannot be scanned.
Top: 1.5 mm (0.06 in.)
Left: 1.5 mm (0.06 in.)
Right: 8 mm (0.31 in.)
Bottom: 15 mm (0.59 in.)
Check the settings in Edge Correction. When enabled, the edges of the image are corrected. Try changing the setting.
Document Capture Pro (Windows)/Document Capture (Mac OS X): Press the Detailed Settings button on the Scan Settings screen to open the Epson Scan 2 screen. On the Advanced Settings tab, select None from Edge Correction.
Epson Scan 2: On the Advanced Settings tab, select None from Edge Correction.