The Citizen iDP-3550 is a small and lightweight two color printer. The maximum printing speed of 3 lines/sec of this Citizen matrix printer quickly and efficiently completes your work. You can easily print receipts, ticket, journals, credit/debit card, and transactions in this Citizen receipt printer. The 6k-byte memory buffer in this Citizen matrix printer processes your data at a minimal rate. The Citizen iDP-3550 printer has a Serial and Parallel interface that easily connects to your computer for transferring data. The semi-automatic paper loading in this Citizen receipt printer gives you greater convenience while printing.