Epson 3260 - Manual (Page 79)

The color ribbon angle may need adjusting. Move the color
ribbon adjustment lever to change the ribbon angle slightly as
shown below:
Move the lever towards "+” to increase the angle, or towards
"-” to decrease it.
The ribbon is too much slack, or the colors in the ribbon may
be bleeding slightly at the color borders. Stop printing turn off
the printer, and reinstall the ribbon cartridge. Printing may
also be improved by adjusting the color ribbon adjustment
lever as described above.
Paper handling problems
When the optional push tractor is installed, the platen does not
rotate and paper does not feed
Check that the paper-release lever is set at the lower
single-sheet position.
Using the Printer 3-23