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Self-test printing
When the jumper is OFF, the interface card operates
normally. When the jumper is ON, the printer starts self-
test printing. The printout is always truncated at 80
columns.
To stop self-test printing, turn the printer power off and
set the interface card jumper to the OFF position.
Jumpers
OFF (open)
ON (closed)
Note
The self-test printing function is not available for EPSON
Page printers in PostScript™ mode. In this case, always
leave the self-test jumper in its original position (OFF).