These are part of inkjet printers, which prints ink onto paper. They are fixed heads, which are built into the printer, or disposable heads, which are built into the disposable ink carttridges.
Intermec 710-179S-001 print head Thermal transfer

Intermec 710-179S-001 print head Thermal transfer

Intermec
£570.99
Intermec 1-040084-900 print head Thermal transfer

Intermec 1-040084-900 print head Thermal transfer

Intermec
£534.99
Intermec 1-010020-90 print head Thermal transfer

Intermec 1-010020-90 print head Thermal transfer

Intermec
£768.99
Intermec 710-129S-001 print head

Intermec 710-129S-001 print head

Intermec
£449.99
Intermec 1-040082-900 print head Thermal transfer

Intermec 1-040082-900 print head Thermal transfer

Intermec
£348.99
Intermec 141-000045-962 print head Thermal transfer

Intermec 141-000045-962 print head Thermal transfer

Intermec
£446.99
Intermec Printhead 300DPI PM4I/PF4I print head Thermal transfer

Intermec Printhead 300DPI PM4I/PF4I print head Thermal transfer

Intermec
£473.99
Intermec 710-180S-001 print head Direct thermal

Intermec 710-180S-001 print head Direct thermal

Intermec
£1,015.99
Intermec 1-040085-900 print head Thermal transfer

Intermec 1-040085-900 print head Thermal transfer

Intermec
£722.99
HP Q7456A print head Inkjet

HP Q7456A print head Inkjet

HP
£52.99
HP 73 Matte Black and Chromatic Red DesignJet Printhead

HP 73 Matte Black and Chromatic Red DesignJet Printhead

HP
£108.99
HP 871 Latex Printhead Cleaning Kit print head Thermal inkjet

HP 871 Latex Printhead Cleaning Kit print head Thermal inkjet

HP
£2,979,244.99