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.
Datamax O'Neil PHD20-2242-01 print head Thermal transfer

Datamax O'Neil PHD20-2242-01 print head Thermal transfer

Datamax O'Neil
£954.99
Datamax O'Neil PHD20-2220-01 print head Direct thermal

Datamax O'Neil PHD20-2220-01 print head Direct thermal

Datamax O'Neil
£494.99
Datamax O'Neil PHD20-2182-01 print head Direct thermal

Datamax O'Neil PHD20-2182-01 print head Direct thermal

Datamax O'Neil
£635.99
Honeywell PHD105423 print head Thermal transfer

Honeywell PHD105423 print head Thermal transfer

Honeywell
£753.99
Zebra P1112640-026 print head Direct thermal

Zebra P1112640-026 print head Direct thermal

Zebra
£128.99
Zebra P1083320-015 print head Thermal transfer

Zebra P1083320-015 print head Thermal transfer

Zebra
£657.99
Zebra P1058930-013 print head Thermal transfer

Zebra P1058930-013 print head Thermal transfer

Zebra
£765.99
Zebra P1046696-016 print head

Zebra P1046696-016 print head

Zebra
£473.99
Zebra P1015397 print head Direct thermal

Zebra P1015397 print head Direct thermal

Zebra
£82.99
Zebra P1004236 print head Thermal transfer

Zebra P1004236 print head Thermal transfer

Zebra
£685.99
Datamax O'Neil PHD20-2270-01 print head Direct thermal

Datamax O'Neil PHD20-2270-01 print head Direct thermal

Datamax O'Neil
£142.99
Datamax O'Neil PHD20-2260-01 print head Direct thermal

Datamax O'Neil PHD20-2260-01 print head Direct thermal

Datamax O'Neil
£560.99