Epson TM-C3400 - Computer Connection; USB Connection and Setup; Ethernet Connection and Setup

Symbol Printing Position
The value to set for [X Dimension] will vary depending on whether the symbol printing position falls
outside of the printing area.
Use the following procedure to check the symbol printing position.
1
Add a checkmark to [Print Preview] in the TM-C3400 printer driver, and then
click the [OK] button.
2
When printing, the [EPSON Print Preview] window will appear.
The dashed lines shown here indicate the printing area.
Check if the symbol position falls inside or outside of the printing area.
No Paper feed (Inside the printing area) With Paper feed (Outside the printing area )