Seiko TM-U590/U590P - Manual (Page 26)

1-14 Setting Up the Printer
Removing the Paper Guide
If you will use especially wide paper, you may not want to use the
paper guide on the document table. You can remove it, as
described below.
1. Open the printer by pulling up on the tab on the front cover.
2. Slide the table to the left and remove it.
3. Loosen the screws and remove the document table from the
printer.
Note:
Be sure not to drop the screws in the printer.
Screws