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Jaspertronics MT840E-LAMP DLP replacement lamp module in black housing

Jaspertronics

Jaspertronics MT840E-LAMP DLP Replacement Lamp

SKU CH-TRPB-BDT41

Original lamp and housing module for NEC MT840E projectors, weighing 0.9990 kg

  • Product typeProject Lamp
  • Product weight0.999
  • Ready to install with original housing
  • Authentic Ushio lamp delivers reliable brightness
  • One-year warranty covers the full module
  • Lightweight at .9990 kg for easy handling
  • Direct fit for NEC MT840E projectors

Jaspertronics MT840E-LAMP Replacement Lamp

The Jaspertronics MT840E-LAMP is a new DLP replacement lamp and housing module built for the NEC MT840E projector. It uses original Ushio components to match the manufacturer specifications for reliable operation. This unit suits owners needing a direct replacement to restore projector brightness and function.

Practical limits of Ushio lamp technology

Ushio lamp output declines gradually over the service period until replacement becomes necessary. The lamp generates heat during use and requires proper projector ventilation to reach its rated lifespan. Performance depends on the projector's ballast and cooling system operating within original design parameters.

Installation notes and common issues

Installation involves removing the projector lamp cover, swapping the complete housing module, and resetting the lamp timer through the projector menu. Common issues include forgetting to reset the timer, which triggers premature warnings, or failing to seat the housing securely, causing startup errors or shutdowns.

How it compares

Measured against everything we stock in DLP TV Lamps & Bulbs, at today’s prices. Recalculated every night.

Price $112.99
Pricier than about 61% of the 8,306 comparable items (median $97.99).

Specifications

Product
Brand nameJaspertronics
Model nameMT840E-LAMP
Part numberMT840E-LAMP
Product typeProject Lamp

Questions about this item

Is the MT840E-LAMP the only version I need for my NEC MT840E projector?

Yes, the MT840E-LAMP is the specific lamp-and-housing module built for the NEC MT840E, so no other version is required.

What does the Ushio lamp type tell me about real-world brightness and runtime?

Ushio is the original bulb manufacturer, meaning the lamp delivers the projector’s rated brightness and full rated lifespan without compromise.

Does this lamp module use a standard interface that could limit compatibility?

It plugs directly into the NEC MT840E’s proprietary lamp socket, so there is no universal interface to restrict fit or performance.

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