Toner, toner production method, and two-component developer

A toner, comprising:

• a toner particle, the toner particle having a weight-average particle diameter of 4.0 to 15.0 μm;
• and
• a silica fine particle A on a surface of the toner particle, silica fine particle A having been surface-treated;
• and
• 2
• ≤
• (
• SD
• ⁢
• 1
• +
• SD
• ⁢
• 2
• )
• /
• SD
• ⁢
• 1
• ≤
• 3.8
• WD2 is 0.1 to 6.0 ppm
• Ca
• =
• (
• SD
• ⁢
• 1
• +
• SD
• ⁢
• 2
• )
• /
• SQ
• ×
• 100
• Cb
• =
• (
• SD
• ⁢
• 1
• ⁢
• w
• +
• SD
• ⁢
• 2
• ⁢
• w
• )
• /
• SQw
• ×
• 100
• (
• Ca
• -
• Cb
• )
• /
• Ca
• ×
• 100
• ≤
• 5.
• when upon measuring silica fine particle A in a solid-state DD/MAS 29Si-NMR measurement, a peak PD1 corresponds to a silicon atom indicated by Sia in a structure according to Formula (1), a peak PD2 corresponds to a silicon atom indicated by Sib in a structure according to Formula (2), a peak PQ corresponds to a silicon atom indicated by Sic in a structure according to Formula (3), SD1 is area of the peak PD1, SD2 is area of the peak PD2, SQ is area of the peak PQ, and WD2 is a full width at half maximum of the peak PD2, and
• upon measuring silica fine particle A in a solid-state DD/MAS 29Si-NMR measurement after washing thereof with hexane, a peak PD1w corresponds to a silicon atom indicated by Sia in a structure according to Formula (1), a peak PD2w corresponds to a silicon atom indicated by Sib in a structure according to Formula (2), a peak PQw corresponds to a silicon atom indicated by Sic in a structure according to Formula (3), and SD1w is area of the peak PD1w, SD2w is area of the peak PD2w, and SQw is area of the peak PQw
• when R independently represents a hydrogen atom, methyl group or ethyl group.