I have a hp laserjet printer 3015 error 59.30 and sys turn off an on

SOURCE: HP 3015 No fax detected

I am having the same problem

SOURCE: Printer Hp Laserjet 3055 giving error message 5

If you scanner error 5 or printer hangs at scanner bulb warming up than the issue is with Scanning Assembly inside the printer and it is hardware issue.

SOURCE: HP 3015 Laserjet paper jam error message

The paper is probably jammed between the fuser and the rear cover if you can't see it.

SOURCE: How do I install HP Toolbox for my HP LaserJet 3015?

Download the latest Driver and Software
http://h20000.www2.hp.com/bizsupport/TechSupport/DriverDownload.jsp?prodNameId=378050&lang=en&cc=us&prodTypeId=18972&prodSeriesId=378048&taskId=135


HP Business Support Center
http://h20000.www2.hp.com/bizsupport/TechSupport/Home.jsp?locale=en_US&prodTypeId=18972&prodSeriesId=378048


User Guide

http://www.lavc.edu/IT/Manuals/Printer_HP_Laserjet_3015_User_Guide.pdf

SOURCE: Scanning software for LaserJet 3015.

Have you tried the HP LaserJet 3015/3020/3030/3380 Fix Scan Utility v3.1

Information about the Fix Scan Utility 3.1
http://www.opendrivers.com/driver/233507/hp-laserjet-3015-3020-3030-3380-fix-scan-utility-v3.1-windows-98se-me-2000-xp-server-2003-free-download.html

Download from HP
http://h20000.www2.hp.com/bizsupport/TechSupport/SoftwareDescription.jsp?lang=en&cc=US&swItem=ma-38336-1


Download the latest Driver and Software
http://h20000.www2.hp.com/bizsupport/TechSupport/DriverDownload.jsp?prodNameId=378050&lang=en&cc=us&prodTypeId=18972&prodSeriesId=378048&taskId=135


HP Business Support Center
http://h20000.www2.hp.com/bizsupport/TechSupport/Home.jsp?locale=en_US&prodTypeId=18972&prodSeriesId=378048


User Guide
http://www.lavc.edu/IT/Manuals/Printer_HP_Laserjet_3015_User_Guide.pdf

I hope this helps!
Steve