B2 - Paper out
If B2 is ON, the printer can detect when there is no more paper and will stop printing. If B2 is OFF, the printer can print right down to the bottom of the page. However, there is also the danger that it may print past the end of the paper, which may cause damage to the print head and platen.
B3 - Ink ribbon type
If B3 is ON, you can use either a color or a monochrome ribbon. If B3 is OFF, you should only use a monochrome ribbon. You can use a monochrome ribbon with B3 ON, however, its life will be shorter. If you try to use a color ribbon with B3 OFF, colors will be printed in unexpected ways.
B4 - Reserved
This switch should be left ON.
B5 - Time-out printing
If B5 is ON, the printer prints data as soon as it is received from the computer. If B5 is OFF, the printer accumulates data in its buffer and prints out pages at regular intervals.
Cl to C3 - Page length
If you are using 11” sheets, these three switches should be ON. The settings appropriate to various page sizes are shown in the table.
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