IBM Personal Computer XT Manual To Operations page 178

12
Ensure that all DIP switches are set to Off. (See
the switch setting charts in your printer's
installation and operating instructions.)
13
Ensure the Forms Thickness Control lever is
properly adjusted.
14
Ensure the Feed Mode lever is in the correct
position.
Did you find any problem while doing the above
steps?
NO - Have your printer serviced.
YES - Correct the problem and restart the
printer self-test.
15
If you receive any of the following error
messages during diagnostic testing, continue
with the next step:
199
432
901
1401
2901
2902
If you did not receive any of the error messages
but still have a problem, go to Step 18.
8020-6 Test
April 1984