Epson LQ-860 User Manual page 93

3. The dots on the clear plastic ribbon mask show you where the
bottom edge of your first line of text will print. This position is
based on the first printable line of text. Press the FORM FEED
button to feed the paper backward or the LINE FEED button to
feed the paper forward.
Note: When the paper reaches the factory-set loading position,
the printer beeps and micro-adjustment feeding pauses for a
moment before continuing. You can use this factory setting as a
reference point when adjusting the printer's loading position.
When the paper reaches either the minimum or maximum top
margin, the printer beeps and the paper stops moving.
Once you have adjusted your paper, the printer remembers this new
loading position. When the printer receives data, the MULTI-PART
light stops flashing.
3-16 Using the Printer