Epson DLQ-3500 - Manual (Page 31)

Ribbon Cartridge (2/2)
EPSON DLQ-3500 Quick Guide
4. Press the tab at the upper right of the
cartridge holder and pull the cartridge
out of the printer.
5. Remove the new ribbon cartridge from
its package and turn the
ribbon-tightening knob in the direction
of the arrow to remove any slack in the
ribbon.
6. Hold the ribbon cartridge with the part
where the ribbon is exposed facing
down and the ribbon-tightening knob
facing to the front of the printer. Then
guide the ribbon under the print head,
and snap the cartridge into place so that
the tabs on both sides of the cartridge fit
into the notches in the cartridge holder.
7. Turn the ribbon-tightening knob again
to remove any slack in the ribbon so that
the ribbon moves freely.
8. Close the paper bail and the printer
cover.