Action recommended 
Additional 
information 
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. 
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Test media using Media Validation Test in Library and Tape Tools 
Action recommended 
Additional 
information 
Run the Media Validation Test in HP Library and Tape Tools 
(L&TT). 
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. 
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Check that the drive has been cleaned  
Action recommended  Additional information 
Insert a cleaning cartridge into the drive and 
wait for the clean to take place. The tape is 
ejected at the end. 
Click here for information on 
clean light flashing on DAT 
Drives.  
Repeat the clean five times in total. 
 
Check for expiry of cleaning tape. 
 
Inspect your media and discard if faulty or 
damaged. Check for the following:  
o  Incorrect label placement  
o  Damage  
o  Usage in incorrect environment  
Click here for information on 
how to detect a damaged DDS 
cartridge and what symptoms 
would be seen. 
Click here for information on