The TC‐4100 Tower Tray Connector option is required when using the TT‐4000 Optional Tower Tray with the Brother HL‐L9310CDW, HL‐L9430CDN, HL‐L9470CDN, HL‐EX470W, MFC‐L9570CDW, MFC‐L9630CDN, MFC‐L9670CDN, and MFC‐EX670W.
The TC‐4100 Tower Tray Connector option is required when using the TT‐4000 Optional Tower Tray with the Brother HL‐L9310CDW, HL‐L9430CDN, HL‐L9470CDN, HL‐EX470W, MFC‐L9570CDW, MFC‐L9630CDN, MFC‐L9670CDN, and MFC‐EX670W.