1. On the Epson printer’s control panel, use the left arrow button to switch between roll paper and sheet fed paper.
2. Open your .indd file in Adobe InDesign.
Select File -> Print or hit Command+P on the keyboard.
In the Print menu, for Printer: Select EpsonStylusPro4900 -OR- EPSON SC-P5000 Series
Specify Pages or Spreads.
Then, select Page Setup in the lower left-hand corner.
3. Format For: Select EpsonStylusPro4900 -OR- EPSON SC-P5000 Series
Paper Size: Select your desired size. In this example, 16 x 20 is being used. Do not select the borderless setting or a size with a width greater than 16 inches.
Be sure that you select Roll if you are printing to the roll or Sheet if you are using single sheets.
If you need to create a custom size, see Adobe Creative Cloud: Create a Custom Paper Size
4. Click the OK button to return to the Print menu.
Select Setup from the list on the left.
Next to Scale, be sure that width and height are set to 100%. If you are reducing your document to fit to the paper size, then select Scale to Fit.
Next, select Marks and Bleed from the menu on the left.
Under the Marks section, select the box next to Crop Marks.
Finally, click the Print button in the lower right corner to send your file to the printer.