Checking The Print Head Nozzles - Epson Stylus color 860 Setup Manual

3. Load the stack of paper with the printable side up and the right edge of
the paper resting against the right side of the sheet feeder. Then slide
the left edge guide against the left edge of the paper.
Note:
Always load paper into the sheet feeder short edge first.
Make sure the paper stack fits under the arrow mark inside the edge guide.

Checking the print head nozzles

Hold down the S load/eject button ( in the illustration below) and press
the P power button ( in the illustration below) to turn on the printer. Then
release both buttons.
Here are sample printouts.
Good sample
If the nozzle check page does not print satisfactorily (for example, if any
segment of the printed lines is missing), then you should clean the print
head as explained below. If the printout was satisfactory, you are ready to
print your first page. See "Printing Your First Page" for instructions.
printable
side up
Print head needs to be cleaned
segments are missing