B PERFORMING OPERATIONS; TRANSPORTING
B41 PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
B41J TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
2/00 Typewriters or selective printing mechanisms characterised by the printing or marking process for which they are designed
B41J2/435 characterised by selective application of radiation to a printing material or impression-transfer material
B41J2/447 using arrays of radiation sources
B41J2/45 using light-emitting diode; [LED] or laser; arrays