HP 20-Feb manual Cause Temperature

Table 27	Troubleshooting Table
Problem		Solution
Cause: Contamination by		■ One or two passes with a cleaning tape should resolve
head staining.		cleaning lights caused by normal head staining. If a cleaning
(Resulting from adhesion of		tape is unsuccessful in resolving a cleaning light after 3 or
chemicals that are present in		more attempts, the cleaning tape may be contaminated, and
the tape media to the head		should NOT be used in another drive.
surface)
Cause: Temperature and		■ Tapes should be stored and used in the middle of the	Chapter4
humidity		temperature and humidity specifications range of 64-79 F, and
		40-60 RH.
Cause: Non-acclimated media		■ A tape should be acclimated for a minimum of 24 hours before
		being used, particularly if it has been stored at a substantially
		different temperature or level of humidity than the tape library.
Cause: Wrong cleaning		■ Only use the cleaning cartridge specifically designated for
cartridge		each drive type.
Cause: Wrong tape format		■ Attempting to load, read, or write tapes that were written in
		other formats can cause cleaning lights.
Cause: Abnormal build up of		■ Do not perform frequent load/unloads without also doing tape
head debris (Frequent load/		operations. The front panel load/unload test should NOT be
unload operations with		run for more than 100 cycles since it does not perform actual
minimal tape reading or		tape operations.
writing can cause this
condition.)
Cause: Bad/defective/		■ If a cleaning light is cleared using a cleaning tape, and then
contaminated media		immediately reappears when a particular cartridge is
		reloaded, that cartridge should be suspected as being
		contaminated.
		■ If this occurs, re-clean the drive, loading a known good tape.
		In rare cases, a tape cartridge can be worn out, have bad
		calibration tracks, or have a bad tape directory recorded by
		another drive.
		■ Any cartridge that is suspected of being defective or
		contaminated should NOT be reused in any drive.

Chapter 4 Troubleshooting Common Problems 145