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DT00731 bare projector lamp
Fits 28 projector models from 3M · Dukane · Elmo · Hitachi · Liesegang · Viewsonic.
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The Hitachi CP-S240, CP-S255, CP-X250, CP-X255 and ED-X8250 families make up most of the twenty-eight projectors that take DT00731, though it also fits the 3M S55i and X55i, Dukane's Image Pro 8065 and 8755D, the Elmo EDP-X350, Liesegang dv470 and Viewsonic PJ656. It is a 180-watt bulb rated for 2,000 hours.
Older stock and service manuals sometimes list this lamp as 456-8755D, RBB-003, RLC-013, ZU1208044010 or 78-6969-9861-2, all of which are the same DT00731 bulb. As a bare lamp it does not include a cage, so it is meant to be fitted into the housing already inside your projector.
At a glance
- Wattage — 180 W
- Rated life — 2,000 hours
- Type — Bare Projector Lamp
- SKU — LA-07798
- Compatibility — 28 projector models
Common questions
Which Elmo projector uses the DT00731 lamp?
The Elmo EDP-X350 takes this lamp. It shares its optical engine with several Hitachi CP-X250 series models, which is why the same bulb turns up under both the Elmo and Hitachi part listings.
Are RBB-003 and RLC-013 different lamps?
No, both are alternative codes for DT00731, alongside 456-8755D, ZU1208044010 and 78-6969-9861-2. Different resellers and projector brands have used different numbering over the years for what is the same physical lamp.
Does this listing include a new lens or reflector?
No. This is a bare bulb only, so the lens, reflector and cage stay with your projector's existing housing. Only the glass and internal filament assembly are replaced when you fit DT00731.
How do I reset the lamp timer on a Hitachi CP-X250?
After fitting the new lamp, open the on-screen menu, find the lamp or maintenance settings, and select the option to reset the lamp hour counter. This stops the projector displaying an outdated warning based on the old bulb's hours.
What should I check before handling the old lamp?
Let the projector cool for at least thirty minutes after use before opening the lamp compartment, since the glass and surrounding metal can stay hot. Handle both the old and new bulb by their base rather than the glass.
This is a bare lamp — the bulb only. You reuse the housing already fitted in your projector.
Which Elmo projector uses the DT00731 lamp?
The Elmo EDP-X350 takes this lamp. It shares its optical engine with several Hitachi CP-X250 series models, which is why the same bulb turns up under both the Elmo and Hitachi part listings.
Are RBB-003 and RLC-013 different lamps?
No, both are alternative codes for DT00731, alongside 456-8755D, ZU1208044010 and 78-6969-9861-2. Different resellers and projector brands have used different numbering over the years for what is the same physical lamp.
Does this listing include a new lens or reflector?
No. This is a bare bulb only, so the lens, reflector and cage stay with your projector's existing housing. Only the glass and internal filament assembly are replaced when you fit DT00731.
How do I reset the lamp timer on a Hitachi CP-X250?
After fitting the new lamp, open the on-screen menu, find the lamp or maintenance settings, and select the option to reset the lamp hour counter. This stops the projector displaying an outdated warning based on the old bulb's hours.
What should I check before handling the old lamp?
Let the projector cool for at least thirty minutes after use before opening the lamp compartment, since the glass and surrounding metal can stay hot. Handle both the old and new bulb by their base rather than the glass.
Other 3M lamps in the catalogue. Codes in the same family often differ by a single character, so check the part number against your old lamp before ordering.
