4400 Series Overhead Projectors Illustrated Parts Breakdowni 3M 1995IntroductionThis Illustrated Parts Breakdown (IPB) contains theinformation necessary to locate and identify specificparts of the 4400 Series Overhead Projectors.Part NumbersAll components available on a replacement basis arelisted with their 3M identification number. The partsidentification list opposite each illustration providesthe description adequate to identify components.Locating and Identifying a PartIf physical appearance and general location of an itemare known:6. Use the Overview illustration to determine whichsection includes the item.7. Refer to the section and locate the item on theexploded view illustration.The part identification numbers provided in thismanual are from the most current data available.Make sure part identification numbers for yourcomponent have not been amended by changes andupdates made to your 4400 Series Overhead Projector.Machine Identification PlateThe Machine Identification Plate is located on thebottom side of each projector and lists specificinformation that is needed when calling for technicalassistance or ordering parts.Figure 7-2. Machine Identification PlateWhen ordering parts, include part identificationnumber, description, quantity and the followinginformation:1. Product Name: The specific version number ofthe projector.2. Model Number/Alpha Code: The series number ofthe projector followed by a three or four characteralpha code identifier. The Alpha Code indicatesthe design level, specific product characteristics,power cord or distribution specific to a country.3. MFG Code: The date the projector wasmanufactured. See example below:MFG CodeLetter DigitL 1992 1 Jan – MarM 1993 2 Apr – JunA 1994 3 Jul – SepC 1995 4 Oct – DecD 1996 1 Jan – Mar4. Lamp: The electrical rating of the lamp.5. S/N: The serial number assigned to this projector.For part orders contact:Dealers: Refer to Dealers Guide3M Subsidiaries: Contact Export OperationsRetail Customers:FAX: 1-800-852-3917Telephone: 1-800-328-2883