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512927 bare projector lamp
Fits 1 projector model from Ricoh.
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512927 is the bare lamp Ricoh specifies for a single projector, the PJ HDC5420, and it's also referenced as LampType23 in some parts listings. Supplied without a housing, it's intended to be fitted into your existing HDC5420 lamp housing once the spent bulb has been removed.
Since the HDC5420 is the only projector this lamp is listed against, there's no need to cross-check compatibility across a model range - just confirm your projector is the HDC5420 and that your old lamp reads 512927 or LampType23. As a bare bulb, it depends on the existing housing being intact. Shipping is free worldwide.
At a glance
- Type — Bare Projector Lamp
- SKU — LA-11289
- Compatibility — 1 projector models
Common questions
Does 512927 fit any Ricoh projector besides the HDC5420?
No, based on the record for this lamp it's listed solely for the Ricoh PJ HDC5420, which is a single-model listing rather than part of a wider shared-lamp range.
What's the connection between 512927 and LampType23?
They're the same lamp - 512927 is the standard part number and LampType23 is Ricoh's alternative naming for it, both correct for the HDC5420, so either label on your old lamp confirms you're ordering the right part.
Why isn't there a module version of this lamp listed here?
This particular listing only covers the bare bulb; if you need the housing replaced as well, check separately for a module version of 512927 or LampType23 for the HDC5420.
Are there handling rules for the bare 512927 during a Ricoh lamp swap?
Yes. Let the projector cool fully before opening the lamp compartment, avoid touching the glass with bare fingers since oils can shorten its life, and handle it by the base wherever possible.
What should I check before ordering to avoid a mismatch?
Confirm the projector is the PJ HDC5420 and that your old lamp is marked 512927 or LampType23, since Ricoh's other single-projector lamps use entirely different codes.
This is a bare lamp — the bulb only. You reuse the housing already fitted in your projector.
Does 512927 fit any Ricoh projector besides the HDC5420?
No, based on the record for this lamp it's listed solely for the Ricoh PJ HDC5420, which is a single-model listing rather than part of a wider shared-lamp range.
What's the connection between 512927 and LampType23?
They're the same lamp - 512927 is the standard part number and LampType23 is Ricoh's alternative naming for it, both correct for the HDC5420, so either label on your old lamp confirms you're ordering the right part.
Why isn't there a module version of this lamp listed here?
This particular listing only covers the bare bulb; if you need the housing replaced as well, check separately for a module version of 512927 or LampType23 for the HDC5420.
Are there handling rules for the bare 512927 during a Ricoh lamp swap?
Yes. Let the projector cool fully before opening the lamp compartment, avoid touching the glass with bare fingers since oils can shorten its life, and handle it by the base wherever possible.
What should I check before ordering to avoid a mismatch?
Confirm the projector is the PJ HDC5420 and that your old lamp is marked 512927 or LampType23, since Ricoh's other single-projector lamps use entirely different codes.
Other Ricoh 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.
