Citizen CLP-521 | David E. Spence, Inc., DBA Cybarcode
CITIZEN CL S521, CL S621 INSTALLATION A NEW PRINTER - YouTube
4 x 6" Direct Thermal Paper Labels For Citizen CLP-521 / CL-S521 With
Amazon.com: Citizen America CL-S521-GRY CL-S521 Series Direct Thermal Barcode and Label Printer with USB/Serial Connection, Front Exit, 4" Maximum Print Width, 203 DPI Resolution, Gray : Office Products