IBM 5150 Hardware Maintenance Manual page 63

If
you did not receive an error message, you should have
received a message similar to the one below. DO NOT PRESS
~ ~
YES OR (ENTER) AT THIS POINT!
o~o.
PARALLEL PRINTER ADAPTER TEST
~~,[~"
~
,
,,,~;,;,,,,,,
1,,,,,1.,
TEST WITH WRAP PLUG (VIN)
DO YOU WANT TO INSTALL THE PARALLEL PRINTER
ADAPTER WRAP PLUG?
NO
@
Press
~
and
(Enter). This action will
return you to the test menu.
YES
400-10