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Print Server Availability Six Sigma Case Study
 

Print Server Availability Six Sigma Case Study

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Lean Six Sigma Group Free Project Case Study Overviews http://www.linkedin.com/groups/Lean-Six-Sigma-37987 ...

Lean Six Sigma Group Free Project Case Study Overviews http://www.linkedin.com/groups/Lean-Six-Sigma-37987
Sponsored by the International Standard for Lean Six Sigma, e-Zsigma http://www.e-zsigma.com, IQPC, and PEX Network.

Please contact Lean Six Sigma Master Black Belt, Steven Bonacorsi, Owner of the Lean Six Sigma Group to have your project case studies to be added to the Lean Six Sigma Group Library. Steve Bonacorsi sbonacorsi@comcast.net

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    Print Server Availability Six Sigma Case Study Print Server Availability Six Sigma Case Study Presentation Transcript

    • Six Sigma in Action: Demonstrating Customer Value Print Server Availability for GE Medical SystemsMaster Black Belt: Steven Bonacorsi
    • UNIX Print Server AvailabilityCustomer Profile – UNIX CAD users in CT, PET, X-Ray and Before: Process Capability Analysis for Total TimeNuclear Engineering Groups USL Process Data USL 1.00000Business Problem & Impact Target LSL * *When the UNIX Print Services went down the average time to resolve Mean 8.77610 Sample N 96issue is 8.8 days. UNIX Client Support Team has targeted time to resolve StDev (ST) 7.5033Print Server issues is <24 hours. StDev (LT) 30.1394Measure & Analyze Potential (ST) Capability Cp *Data Collection: Printing problem calls was measured by Clarify. CPU -0.35 CPL *Root Causes: Nature of transferring the trouble call to a different trouble Cpk -0.35call tracking system that the UNIX Administrators use and coordinating Cpm * -100 -50 0 50 100 150 200 250both groups to troubleshoot the printing problem. Overall (LT) Capability Observed Performance Expected ST Performance Expected LT Perform Pp * PPM < LSL * PPM < LSL * PPM < LSLImprove & Control PPU PPL After: -0.09 * PPM > USL PPM Total 531250.00 PPM > USL 849983.13 Process Capability Analysis for Total Total ( 531250.00 PPM Total 849983.13 PPM Time PPM > USL 601 601Rename all print queues to a standard naming format that will identify Ppk -0.09there location and printer type in the queue name. This will reduce USL Process Dataconfusion in printer location and printer capabilities. Giving UNIX CAD USL 1.000users access to newer printer models and features not before available to Target * LSL *them on the UNIX Print Servers. Mean 0.354 Sample N 16Results/Benefits StDev (ST) StDev (LT) 0.318853 0.400810• Defects - 96 defects in 9 months to only 1 in 5 months.• Calls to Helpdesk – 96 in 9 months to 16 in 5 Months. Potential (ST) Capability Cp *• Total Ticket Time - 8.8 days to less than 1 day. CPU 0.68• Maintenance savings by using NT Boxes $2708 CPL Cpk 0.68 *• Labor Savings of $23, 044 Cpm * -1.0 -0.5 0.0 0.5 1.0 Overall (LT) Capability Observed Performance Expected ST Performance Expected L Savings of over $25K, Response time 9 days to < 24 hours! Pp PPU PPL 0.54 * * PPM < LSL PPM > USL PPM Total 62500.00 62500.00 * PPM < LSL PPM > USL PPM Total * 21381.92 21381.92 PPM < LSL PPM > USL PPM Total Ppk 0.54