Direct negative from resistive ribbon

Direct thermal barcode printer

Displacement magnifying mechanism for a print element

Display system, display method, ink ribbon, printer and image fo

Divisional step dot printing device

Document printing device having a platen with character segments

Document processing apparatus capable of printing multisized cha

Dot drive circuit of wire dot type printer

Dot impact printer and actuator therefor

Dot impact type printing head with adhesively attached base unit

Dot line printer having improved yoke assembly

Dot line printer with paper feed time controlling capability

Dot matrix character printer control circuitry for variable pitc

Dot matrix impact printer

Dot matrix impact printer employing magnetic dot elements

Dot matrix pin print head

Dot matrix print head

Dot matrix print head

Dot matrix print head

Dot matrix print head