janome · verified physical machine
verified exact machine · core systems pending
What is actually verified
The cited evidence establishes this exact machine identity. It does not establish a Bobbin system, Needle system, Presser Foot interface, OEM compatibility group, or compatible item for this exact machine.
Evidence for the name or model code is identity evidence, not parts-compatibility evidence. Facts from similarly named machines are not inherited.
Compatibility first
These states come from the cited public evidence, not from model-code patterns. Unknown is never treated as incompatible.
AnswerNot established from current official evidence
No direct Bobbin class, part, hook-to-bobbin join or non-substitution answer is established.
none · 0 relationships · 0 cited system traits · 0 cited recommendations
AnswerNot established from current official evidence
No normalized Needle system answer is established.
none · 0 relationships · 0 cited system traits · 0 cited recommendations
AnswerNot established from current official evidence
No normalized Presser Foot interface or system answer is established.
none · 0 relationships · 0 cited system traits · 0 cited recommendations
Compatibility field map
A core answer does not complete every physical axis. Each field below is shown only when current accepted OEM evidence establishes it; all other axes remain explicitly unestablished.
Important: loading style does not establish Bobbin class, hook orientation, or interchangeability.
Important: a recommendation is not an exclusive system requirement unless the OEM says so.
Important: a Snap-On attachment does not establish shank height, holder geometry, stitch-width family, or broad foot fitment.
Evidence coverage
Machine category: Not yet established
Core domains answered: None yet
Domains with cited compatible items: None yet
Unknown is not incompatible. A missing answer means the current official evidence does not support one yet.
This machine is included because its exact identity is cited in an official OEM document. We are not publishing specifications or compatibility until those claims clear the same evidence gates.
View identity evidence · 3 unique proof passages: Proof E1, Proof E2, Proof E3
Official source library
Open the exact OEM PDF page or captured HTML edition when a safe destination exists; otherwise SewGraph labels the OEM support-page fallback honestly.
machine catalog
Open official source destination · 1 unique proof passage: Proof E1
Evidence library
Every passage below says exactly what visible fact it proves. Repeated references to the same locator are counted once; identity evidence never counts as compatibility evidence.
Compatibility proof passages: 0. The passages below support identity facts only.
What this passage proves
The 1600P-QC provides up to 11lbs of pressure from the presser foot. That’s the highest pressure available on the market today for a home straight stitch machine.
What this passage proves
1600P-QC
What this passage proves
1600P-QC
Evidence review status
Dossier review completion means every tracked facet received a disposition; it does not mean every machine fact or compatibility axis is known.
Supported public fields (3): model codes, physical identity, preferred official name
Unresolved fields (10): aliases, bobbin, lifecycle market, machine type, needle, oem program groups, part relationships, presser foot, product line, series
Review controls checked (2): source documents and publication/conflict handling are process receipts, not additional machine facts.
Review pass complete — not “all known.” Every tracked field has a recorded disposition; the unresolved fields above remain unknown.
Public snapshot a1cc1aceef228fcf33329e37165ab888ce5b9fe3f13eb56967ae0fbf41d8d8a7
Catalog e156281c7d3048027b5ac89e7476be8f54dd5a9309505e96260b0455d3cd2a7e · exact native quotes only · dossier method sewgraph-model-dossier-v2