Zebra ZD621 300DPI Printhead Thermal Print Head P1112640-241

Type:   Printhead

Brand:Zebra

Model:  ZD621 300DPI Printhead

Part NO.:P1112640-241

The print head is the most fragile and fragile device in a printer. It is a consumable product like a car and will eventually be damaged Careful maintenance can extend the life of the print head.

For best results, clean the print head every time you use a roll of ribbon or a roll of thermal paper.

Note when cleaning the print head Take off the ring to prevent the print head from being scratched, and use a grounded metal strap or anti-static pad to prevent the print head from being damaged by static electricity.

You can use a cotton swab soaked in 70% alcohol, first turn off the printer and turn on the print head.

Use a small amount of cotton cloth to brush the mechanical part of the printer, or gently blow away dust (such as: rollers, paper tape sensors and print heads). Do not use any hard metal or abrasive tools (such as screwdrivers) to grind the contamination of the print head.

Use a cotton swab with alcohol to press it on the print head and wipe it from the bottom to the bottom. Then rotate the roller and wipe it with the roller. Do not use the cotton swab when it is dirty.