LT-2220 24V, 58mm Line Thermal Printer Mechanism LT-2221 / LT-2221C 24V, 58mm Clamshell Design Line Thermal Printer Mechanism LT-2320 24V, 80mm Line Thermal Printer Mechanism LT-2321 / LT-2321C 24V, 80mm Clamshell Design Thermal Printer Mechanism MLT-288 5V ultra compact line thermal mechanism MLT-289 5V Drop-in paper, ultra compact line thermal mechanism MLT-388 5V Line Thermal Printer Mechanism MLT-389 Removable Paper Platen Line-5V Thermal Printer Mechanism MLT-4280 / MLT-4280K The Citizen MLT-4280 line thermal printer mechanism is tailor-made for handheld applications. The mechanism features an ultra compact design and low voltage usage (5V), combine that with high-speed printing (80mm/sec) and a robust and highly reliable Zinc die-cast frame and you have a mechanism that will work with a full range of portable applications. MLT-4281 The Citizen MLT-4281 line thermal printer mechanism is tailor-made for handheld applications. The mechanism features an ultra compact design and low voltage usage (5V), combine that with high-speed printing (80mm/sec) and a robust and highly reliable Zinc die-cast frame and you have a mechanism that will work with a full range of portable applications. MD-900 Dot matrix printer equipped with two serial printing heads.