Epson GT-6500 EN - Manual (Page 195)

Printer type for direct printing
Printer type SW 1-7 SW 1-8
EPSON 24-pin color printer OFF OFF
Note:
No other combination of SW 1-7 and SW 1-8 should be made.
Direct printing is available only when the GT-4000 is directly
connected to a printer through the parallel interface. This function
has no relation to ordinary software controls. See the GT-4000
user’s guide for further details.
DIP switch 2 settings
Switch No. Function ON OFF
SW 2-1 Halftoning
mode See table
SW 2-2
SW 2-3 Gamma
correction See table
SW 2-4
SW 2-5
SW 2-6 Color
correction See table
SW 2-7
SW 2-8 (Reserved) - Always OFF
Halftoning mode (ESC B command)
Setting SW 2-1 SW 2-2
Disabled OFF OFF
Halftoning mode A ON OFF
Halftoning mode B OFF ON
Halftoning mode C ON ON
Scanner Model Technical Data B-13