HP Model 748 HP Model 748 Workstation Owner's Guide - Page 96

Cleaning the Tape Heads, Media Restrictions, Setting the Write-Protect Tab on a Data Cassette

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NOTE: Using Mass Storage Devices DDS Tape Drive and Data Cassette Descriptions Cleaning the Tape Heads Clean the heads of your tape drive after every 25 hours of tape drive use or if the Media Wear (Caution) signal is displayed on the LED. Only use HP Cleaning Cassettes (HP92283K) to clean the tape heads. Do not use swabs or other means of cleaning the tape heads. Follow this procedure to clean the tape heads: 1 Insert the cleaning cassette into the drive. The tape automatically loads the cassette and cleans the heads. At the end of the cleaning cycle, the drive ejects the cassette. 2 Write the current date on the label on the cleaning cassette so that you know how many times you have used it. Discard the cleaning cassette after you have used it 25 times. Media Restrictions If you interchange media between other DDS-format tape drives, note that data cassettes with compressed data can only be read by tape drives that have data compression capabilities. This includes data cassettes that contain both compressed and noncompressed data. Setting the Write-Protect Tab on a Data Cassette You can only store or change information on a data cassette when the writeprotect tab is in the write position. So, before trying to write to the data cassette, make sure that the write-protect tab is in the write position, as shown in Figure 7-7. 7-20

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7-20
Using Mass Storage Devices
DDS Tape Drive and Data Cassette Descriptions
Cleaning the Tape Heads
Clean the heads of your tape drive after every 25 hours of tape drive use or if
the Media Wear (Caution) signal is displayed on the LED.
NOTE:
Only use HP Cleaning Cassettes (HP92283K) to clean the tape heads. Do not
use swabs or other means of cleaning the tape heads.
Follow this procedure to clean the tape heads:
1
Insert the cleaning cassette into the drive. The tape automatically loads the
cassette and cleans the heads. At the end of the cleaning cycle, the drive
ejects the cassette.
2
Write the current date on the label on the cleaning cassette so that you
know how many times you have used it. Discard the cleaning cassette after
you have used it 25 times.
Media Restrictions
If you interchange media between other DDS-format tape drives, note that
data cassettes with compressed data can only be read by tape drives that have
data compression capabilities. This includes data cassettes that contain both
compressed and noncompressed data.
Setting the Write-Protect Tab on a Data Cassette
You can only store or change information on a data cassette when the write-
protect tab is in the write position. So, before trying to write to the data cas-
sette, make sure that the write-protect tab is in the write position, as shown
in Figure 7-7.