IBM System/370 Operator's Reference Manual page 16

See index for page
number of device
and go to that page
for possible causes!
NO
Notify I BM of
down situation.
Failure is in device not covered
NO by this chart, e.g., optical
scan paper tape. TP, ETC.
YES
Continue processing . -_ _ _
-<
with another job and
device, if possible
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