Server Operation Manual

Base Module
855-900549 2-9
2.2.9.4. Cleaning the DAT Unit
Wipe off the dusts on the DAT unit. See 2.2.9.5 to 2.2.9.7 for how to clean the DAT unit.
2.2.9.5. Cleaning Schedule
How often the DAT unit should be cleaned depends on the operating environment. The table
below will be of some help.
Frequency of using data cartridge Cleaning schedule
Use of one cartridge per day Once a week
Use of 2 to 3 cartridges per day Twice a week
Use of more than 3 cartridges per day Everyday
Cleaning is important to remove accumulated dust on the magnetic head caused by running
tapes and surrounding environment. Periodic cleaning is recommended.
2.2.9.6. Cleaning Medium for the DAT Unit
The cleaning cartridge can be used approximately 50 times.
Clean the drive head with this cartridge before using the new data cartridge. It is recommended
to clean the head prior to writing or reading the DAT. Clean the head once a month even though
the DAT unit is not used.
2.2.9.7. Life of Data Cartridge (Tape) for the DAT Unit
The life of data cartridge according to the frequency of use is shown below. It may be shortened
depending on the operating environment (temperature, humidity, dust, etc.).
Frequency of using data cartridge Life
Once a week/volume Approx. one year
Three times a week/volume Approx. half a year
Everyday Approx. three months
The data cartridge is worn out every time it is read or written. It should be noted that using the
worn-out cartridge will cause trouble. To prevent trouble caused by aged deterioration, storage
of the data cartridge should not exceed five years.
2.2.9.8. Handling of the DAT Unit
Keep the following in mind for proper operation of the DAT unit:
• Do not move the DAT unit with the cleaning or data cartridge loaded.
• Take out the cleaning or data cartridge before turning off the DAT unit.
• Do not leave the DAT unit for a prolonged period of time with the cleaning or data cartridge
loaded.