SW1-1

Set this switch to OFF if you want to use the print buffer.

This switch controls the 2K-byte print buffer. When it is OFF the buffer is used. This means information coming into the printer from the computer can be stored in the buffer until it is ready to be processed, permitting the computer to operate more efficiently.

When the switch is ON the buffer is disabled.

SW1-2

This switch is not used. It should always be OFF.

SW1-3

Set this switch to ON to add a line feed.

Some computers automatically cause the printer to advance the paper one line each time a carriage return signal is received. Others do not provide a line feed. Set this switch according to which type of computer you have. If your computer provides the automatic line feed, this switch should be OFF. If it does not provide the line feed, the switch should be ON.

The user’s manual for your computer will tell you whether or not this line feed is automatically performed. You’ll also know when you start to print something out using your computer (but not the printer self-test).

If you get double spacing when you want single spacing, this means both the computer and the printer are providing a line feed. Turn SW1-3 OFF.

If the second line overprints the first, neither the printer nor the computer is supplying a line feed. Therefore, turn SWl-3 ON.

SW1-4

This switch is used with a special optional ROM (read only memory) that attaches to the interface. The manual that comes with this ROM explains how this switch should be set. If your interface does not have the optional ROM, keep SW1-4 in the OFF position.

D - 5