Action recommended 
Additional 
information 
information on 
Autoloader LCD 
Messages. 
Repeat the clean five times in total. 
 
Check for expiry of cleaning tape. 
 
Check the environmental conditions of the drive and 
media storage. 
Click here for 
information on ensuring 
a long life for the HP 
DAT product. 
Replace the data tape with a new tape, it may be 
worn or at end of life. 
Click here for 
information DDS media 
care. 
Introduce a regular clean into your backup strategy. 
Click here for 
information on ensuring 
a long life for the HP 
DAT product. 
Run Device Analysis Test from Test drop down menu 
in HP Library and Tape Tools (L&TT). Follow any 
troubleshooting given with the test results. 
Ensure your drive is running with the latest firmware. 
NOTE:  
Due to issues in development Library and Tape 
Tools cannot be reliably used to diagnose 
potential issues with the DAT 40 Hotplug drive 
(Q1546A only). This problem is currently being 
investigated and will be corrected in the next 
revision of Library and Tape tools. This note 
will be updated once the problem has been 
corrected but until then do not use Library and 
Tape Tools to diagnose issues with this 
product. This problem only relates to the 
Q1546A product, no other DAT 40 variants are 
affected. 
Click here for 
information on HP 
Library and Tape Tools. 
Click here for 
information on being 
unable to upgrade 
firmware on a DDS-
4/DAT40 autoloader. 
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Check if you are using more than two tapes a day 
Action recommended 
Additional 
information 
Check if you are using more than two tapes a day. Your drive