for printing a discrete number of tones (B41J2/21 takes precedence)

Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed > characterised by bringing liquid or particles selectively into contact with a printing material > Ink jet > for printing a discrete number of tones

Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed (mounting, arrangement or disposition of types or dies B41J1/00) > characterised by bringing liquid or particles selectively into contact with a printing material (printing by selective application of impact or pressure on a printing or impression-transfer material B41J2/22) > Ink jet > for printing a discrete number of tones (B41J2/21 takes precedence)