25 DYMO Compatible Cleaning Cards 60622, 2.1&rdquo; x 3.425" Used For DYMO Desktop Printers ( 30256, 30323, 30344 ) This presaturated, disposable thermal printer cleaning card is designed to safely and effectively remove all dirt, ink, tape, oil, adhesives residue and other contaminates from thermal print heads, paper guides and paper path. This cleaning card will improve printer quality and legibility increasing output , machine life, reliability and performance. 2.1" x 3.425" | Rectangle | White | Cleaning Cards | BPA Free | 25 Cards Per Box Each card is designed to be fed through printer to clean the thermal print head and is individually wrapped ready for use so other cards will not dry out prior to use. RECOMMENDED USAGE : Use thermal printer cleaning cards before inserting a new roll of labels or ribbon stock. POS Printers, Label Printers, ID Card Printers, Transfer Printers, Bar Code Printers, ATB Ticket Printers and Direct Thermal Printers. CAUTION: flammable contains 99% Isopropyl Alcohol Directions 1. Remove from pouch. 2. Insert into feed path, press form feed or manually pull cleaning card. 3. Discard in trash. DYMO Printers: 300, 310, 315, 320, 330, 400, 400 Duo, 400 Twin Turbo, 450, 450 Duo, 450 Turbo, 450 Twin Turbo, 4XL, EL40, EL60, SE300, SE450  CoStar LabelWriters: XL, XL+, BC, BC+, TURBO, SE200, SE250, ACII 200 / ASCII 250