{"product_id":"mj861-projector-lamp-module","title":"MJ861 projector lamp module","description":"\u003cp\u003eDell's 1800MP projector, sometimes referenced with the suffix MJ815, uses the MJ861 lamp module. It is supplied complete with housing, and covers the 1800MP under each of the naming variants we have on record for this single projector, so ordering is straightforward once you have confirmed your unit.\u003c\/p\u003e\u003cp\u003eMJ861 is also listed as 310-8290 and 725-10106 — earlier Dell codes for the same lamp. The 'MJ815' reference that appears alongside the 1800MP name is not a separate projector but a variant naming for the same unit, so all three entries on our compatibility list point to one model and one lamp. As a full module, the housing is included and ready to fit.\u003c\/p\u003e\u003ch3\u003eAt a glance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType\u003c\/strong\u003e — Projector Lamp with Module\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU\u003c\/strong\u003e — LA-08732\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatibility\u003c\/strong\u003e — 3 projector models\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCommon questions\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eIs 'Dell MJ815' a different projector from the 1800MP?\u003c\/strong\u003e\u003cbr\u003eNo, MJ815 is a variant reference for the same Dell 1800MP, and both take this MJ861 lamp without any difference in fit or specification between the two names.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eAre 310-8290 and 725-10106 the same part as MJ861?\u003c\/strong\u003e\u003cbr\u003eYes, both are earlier Dell codes for the identical lamp, so any of the three numbers you encounter describes this same part in our record.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWill the MJ861 for the 1800MP arrive with its bulb already seated in a cage?\u003c\/strong\u003e\u003cbr\u003eYes, this is a complete module, with the bulb supplied already fitted into its housing, ready to fit as a single replacement unit rather than a bare bulb.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eIs there a reason the MJ861's power rating isn't stated?\u003c\/strong\u003e\u003cbr\u003eWe only publish specifications confirmed in our record, and no verified wattage figure is available for this part, so none is stated rather than estimated.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eHow many part numbers cover this lamp in total?\u003c\/strong\u003e\u003cbr\u003eThree: MJ861, 310-8290 and 725-10106, all referring to the identical lamp for the Dell 1800MP under different Dell references issued at different points in time.\u003c\/p\u003e","brand":"Lamps Authority","offers":[{"title":"Default Title","offer_id":48182639132908,"sku":"LA-08732","price":117.86,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0844\/5535\/8700\/files\/24172-xl.png?v=1786957440","url":"https:\/\/www.lampsauthority.com\/products\/mj861-projector-lamp-module","provider":"Lamps Authority","version":"1.0","type":"link"}