Seagate STT8000A manual Capstan Tape Head

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Chapter 4

Drive operation and maintenance

Cleaning the drive read/write head

To maintain the tape drive, you should periodically clean the read/write head. No other periodic maintenance is required. For new cartridges, clean the head after two hours of tape movement. Thereafter the drive can be cleaned as per normal operations.

Caution. Never clean the read/write head of the drive with anything other than a lint-free swab or an approved cleaning cartridge. Do not touch the head with anything other than a lint-free swab.

You can clean the drive head by one of two methods: you can use the Seagate- approved 3M DC2000 cleaning cartridge DC051111 (12947), P/N CKDC2000, which is available through Seagate Express 1-800-531-0968, or you can manually clean the drive head. To manually clean the drive head, follow these steps.

1.Moisten a clean, lint-free swab in 90% isopropyl alcohol so that it is wet but not dripping. (Never use a dry swab.)

2.Hold the drive access door open and wipe the head gently using a side-to-side motion. The upright rectangle with the stripe in Figure 4-6 is the head.

Figure 4-6

Cleaning the drive head and capstan

Capstan

Tape Head

3.Use a new swab saturated with 90% isopropyl alcohol to wipe the capstan. The capstan is the flat, roller to the left of the head as shown in Figure 4-6. Rotate the capstan until its entire surface is clean.

4.Allow the drive to dry for 3 minutes before using.

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STT8000A Product Manual

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Contents STT8000A Atapi Minicartridge Drive Product Manual Page FCC Notice Important Information About This Manual Table of Contents Atapi interface Tape format Glossary Acronyms and measurements Introduction Drive overviewSTT8000A internal drive without mounting brackets Features Typical system configurations Minicartridge technology overviewFlash Eeprom SoftwareReferences About this manual Chapter Title DescriptionSpecifications Physical specificationsOverview STT8000A 3.5-Inch mount general dimensions Power specifications Specification MeasurementPerformance specifications Feature SpecificationSpecification Operational Non-operational Environmental requirementsReliability Mean-Time-Between FailuresMean-Time-To-Repair Recommended tapes Tape capacities and formatsRegulatory compliance TUV & IEC-RHEINLANDInstallation IntroductionBefore you begin Handling guidelinesSetting jumpers Jumper block and jumper settingsInstalling the drive Aligning the drive in the computerMounting dimensions Mounting holes on internal drive without mounting brackets ATA-2 Interface pin assignments Pin Assignment Description SourceREQ Chapter Installation Drive operation and maintenance Front panel LEDUsing Travan cartridges Loading and unloading cartridgesSetting the write-protect switch Travan cartridge write-protect switch-locked positionLoading revised firmware via Seagate firmware cartridge Care and maintenance of the drive and cartridges Caring for tape cartridgesCaring for the drive Capstan Tape Head Troubleshooting Chapter ATA-2 Signals Atapi interfaceATA-2 Interface ATA registers AbrtBits Mnemonic Description Supported ATA Commands Previous Cmd Int ReasonFeature Number Set Feature Commands Atapi Identify Device A1h Atapi Packet Command A0h Atapi interface DSCErase command Inquiry command Bit ByteLoad/Unload command Locate command Log Select command Log Sense command Error Counter Page Read Following table presents the Error Counter Page layoutTape Capacity Page Code Following table presents the Tape Capacity Page layoutMode Select command Mode Sense command Code DescriptionMode Parameter Header Mode Block DescriptorMode Medium Partition Mode Capabilities and Mechanical StatusMode Tape Parameters Read command Read Position command Following table describes the Read Position layoutChapter Atapi Interface Request Sense command Following table describes the Request Sense layout Rewind command Space command Test Unit Ready command Write command Write Filemark command Write Buffer download microcode command Tape format Tape partitioningTrack positions Track numbering Track formatFrames General track layout Tape reference servo pattern BlocksWrite equalization RandomizationChapter Tape format Block diagram Theory of operationsCapstan drive motor assembly MechanicsCartridge load mechanism ChassisSensors and switches Control circuitsHead design Media-Travan minicartridges Travan minicartridgeGlossary Appendix a Glossary Glossary Appendix a Glossary Acronyms and measurements Acronyms and abbreviationsLSI Units of measurement Measure MeaningAppendix B Acronyms and Measurements