CL-S621 TypeII, DT&TT, 203DPI w/ LAN & Peeler, Gray
Amazon.com: Citizen America CL-S700 CL-S700 Series Thermal Transfer/Direct Thermal Barcode and Label Printer with Adjustable Sensor, RS-232 Serial, 4" Maximum Print Width, 203 DPI Resolution, Black : Office Products
CITIZEN CL-S621, CL-S631 MATERIAL SENSOR CALIBRATION - YouTube
User manual Citizen CL-S621 (English - 66 pages)
HOW TO CITIZEN CL-S621 PRINTER SET-UP MR.MITHUNPARMAR - YouTube