Test 2900 - IBM Personal Computer AT Manual To Operations

Test 2900
1
Press Enter
(~
) to start this test.
Did you receive a 2904 error?
XX:XX:XX
ERROR
COLOR MATRIX PRINTER 2904
END TEST 2900
PRESS "ENTER" TO CONTINUE
?
(X can be any number.)
YES Have your system unit serviced. Be sure
your Key Lock key is with your system
unit.
NO Go to Step 2.
Test 2900-1