IBM TotalStorage Ultrium 3580 L23 Setup And Operator Manual page 92

4. Press the unload button once per second until E appears in the single-character
5. Press and hold the unload button for 3 or more seconds, then release it to select
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IBM 3580 Ultrium Tape Drive Setup and Operator Guide
display and the following message displays. (If you cycle past the desired code,
press the unload button once per second until the code redisplays.)
the function. Immediately after the following message displays, ensure that the
write-protect switch on the suspect cartridge is off, then insert the cartridge (or
the tape drive exits maintenance mode).
After you insert the cartridge, the flashing C in the single-character display
changes to E and one or more of the following messages display:
followed by:
and:
The tape drive runs the tests.
v If no error is detected, the test will loop and begin again. To stop the loop,
press the unload button for one second and release. When the loop ends, 0
temporarily appears in the single-character display. The drive rewinds the
tape, unloads the cartridge, and exits maintenance mode. The following
message displays:
followed by: