Zebra's enhanced thermal transfer printers offer the best value in similar desktop printers with print speeds up to 5 "/ sec to meet your low to medium capacity print needs. GX420t uses a compact and lightweight fashion design, with the most simple ribbon loading system, suitable for all types of applications and industries.Zebra's enhanced thermal transfer printers offer the best value in similar desktop printers with print speeds up to 5 "/ sec to meet your low to medium capacity print needs. GX420t uses a compact and lightweight fashion design, with the most simple ribbon loading system, suitable for all types of applications and industries.