error 0x000006ba local print spooler service is not running windows 7

Check with the printer maker for updated drivers and their Support for known issues.

Check chan vu's message here - the very top one.

fixed spooler subsystem app stopped working
http://social.technet.microsoft.com/Forums/en/itprovistaprinting/thread/460f297a-dd66-4476-a176-542e1519ca3e

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References to Vista also apply to Windows 7.

Go to whoever made the printer and get the latest drivers - Download - SAVE - do not install yet. When
ready to install - Right Click on the driver - Run As Admin.

Use this method to clear the spooler then uninstall and reinstall your printer (check with the maker for
the latest driver).

Check the Mr Fixits here and if you have to use the other methods go back and try them again afterwards.

Printing problems and printing errors - a Mr Fixit
http://support.microsoft.com/gp/printing_problems

Troubleshoot printer problems - a Mr Fixit
http://windowshelp.microsoft.com/Windows/en-US/help/8c11977e-8244-408f-a036-7978a618d7a21033.mspx

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Logon as Admin

Start - type in Search box -> COMMAND - find at top of list and RIGHT CLICK - RUN AS ADMIN

you can copy and paste each line in except the ones in brackets and hit enter after each.

net stop Spooler

(will echo Deleting all print jobs) <-- you should see this returned

ping localhost -n 4 > nul

del /q %SystemRoot%\system32\spool\printers\*.*

net start Spooler

(will echo Done!) <-- you should see this returned

ping localhost -n 4 > nul

Another way
http://4sysops.com/archives/how-to-cancel-a-print-job-that-hangs-under-windows-vista-and-xp/

Check the print cue - DELETE/STOP all jobs - then Right Click on printer - DELETE Printer
http://windowshelp.microsoft.com/Windows/en-US/Help/bb6f81d9-4092-4ac8-9716-2bd008f513e11033.mspx

If using Control Panel - Classic - Printers

Try after unplugging your printer if needed.
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Also check the Print Spooler Service and its dependencies and their dependencies.

Print Spooler Service (see next BlackViper link for the Window 7 default dependencies)
http://wiki.blackviper.com/wiki/Print_Spooler

BlackViper Windows 7 Service - default settings
http://www.blackviper.com/Windows_7/servicecfg.htm

How to Fix Windows Vista Print Spooler not Starting
http://www.ehow.com/how_4920100_vista-print-spooler-not-starting.html

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Check this thread if needed - stop and clear the spooler

http://social.answers.microsoft.com/Forums/en-US/vistaperformance/thread/a15779d6-ac0d-42fd-9ac2-a1da241ea19f/

and here

http://social.answers.microsoft.com/Forums/en-US/vistahardware/thread/58b54fa9-cf6f-40f7-90b2-8093c6777493

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Clean up general corruption and repair/replace any damaged/missing files.

Run DiskCleanup - Start - All Programs - Accessories - System Tools - Disk Cleanup

Start - type this in Search Box ->  COMMAND   find at top and RIGHT CLICK  -  RUN AS ADMIN

Enter this at the prompt - sfc /scannow

How to Repair Windows 7 System Files with System File Checker
http://www.sevenforums.com/tutorials/1538-sfc-scannow-command-system-file-checker.html

Then run checkdisk (chkdsk).

How to Run Disk Check in Windows 7
http://www.sevenforums.com/tutorials/433-disk-check.html

Hope this helps.

Rob Brown - Microsoft MVP <- profile - Windows Expert - Consumer : Bicycle - Mark Twain said it right.