Epson 3260 - Manual (Page 26)

2 Turn the ribbon-tightening knob to ease the ribbon into place.
Make sure it is not twisted or creased.
3. Replace the printer cover by inserting its tabs into the holes
on the printer as shown below; then dose the cover.
Attaching the Output Guide
You can install the output guide to support printed pages as
they come out of the printer. To install it, insert the tabs on the
guide into the mounting slots on the printer case as shown
below. Be sure to turn the guide over and install it in the
opposite direction when you use the printer in the vertical
position
1-12 Setting Up the Printer