ErrataTitle & Document Type: HP5501B Laser Head Operating & Service ManualManual Part Number: 05501-90035Serial Prefixes: 2632Revision Date: September 1986HP References in this ManualThis manual may contain references to HP or Hewlett-Packard. Please note that Hewlett-Packard's former test and measurement, semiconductor products and chemical analysisbusinesses are now part of Agilent Technologies.Changes to this ManualNo changes have been made to this manual, with the exception of correcting the oddspelling and grammatical errors. In some places original photographs may be replacedor augmented with modern digital photographs. (it’s weird looking at an old BW HPmanual and seeing a color photograph… still gets me)About this ManualThis manual is reproduced from high-resolution scans of an original document, whichwas then converted to Word format using custom designed OCR software for mypersonal use.This means that what you see here is not a scan of a scan/copy.OCR errors may exist and as such the user of this document should take care and usecommon sense when referencing this documentation.Copyright NoticeThis documentation is © Copyright 1980 Hewlett Packard and © Copyright 2006, Jack Hudler,hpdocs@hudler.org.Permission to use and redistribute this documentation for non-commercial and internal corporatepurposes is hereby granted, free of charge.Any redistribution of this documentation or its derivates must include this copyright notice.You may not sell this documentation or its derivations without written consent.You may modify this documentation as necessary, but you may not sell derivative works basedon it.You may include this documentation with the equipment/hardware on which it is used for thepurposes of selling the equipment/hardware. If you advertise that a copy of this documentation isincluded in the sale, you must state that is for “Free”.Meaning if you want to gratuitously toss in a copy of the manual on an eBay sale, it’s ok with meas long as you state it’s for free. No you can’t sell a digital archive of manuals and say it includesa free copy of this documentation. You must give it away with equipment.I think you get the spirit of the copyright; it takes a lot of hours to scan and replicate a manual. Ijust want this used in the spirit in which is it given.Agilent if you have questions or wish to include this in your archive email me.