POS Hardware Maintenance: How to Double the Life of Scanners, Printers and Terminals

POS hardware rarely dies of old age. It dies of clogged print heads, cooked batteries, dropped-and-cracked screens and firmware nobody updated. A little routine goes a long way — here is the maintenance programme we recommend to trade customers. Last updated: July 2026. Receipt printers: it's always the print head Thermal print heads fail early for two reasons: paper dust and cheap paper. Clean the head monthly with isopropyl wipes, use decent-grade thermal rolls, and a counter printer will comfortably pass five years. Keep one spare printer per site — it is the single most likely failure point on any till. Scanners: batteries and windows Cordless scanner batteries are consumables — plan on replacing them at two to three years rather than replacing the scanner. Keep scan windows clean and unscratched (a scratched window reads like a damaged barcode), and use the holster or stand rather than the counter edge. Charging discipline beats battery chemistry Devices that live on charge overnight at 100% degrade fastest. Where the hardware supports it, enable charge limiting; where it doesn't, charge during quiet trading periods instead of overnight. Multi-bay cradles with managed charging pay for themselves in battery life alone — we covered the full approach in our battery and charging strategy guide. Firmware: twice a year, on schedule Scanner and terminal firmware fixes real faults — payment terminals in particular must stay current to keep PCI compliance. Diary it twice a year, update one device first, then roll out. The spares shelf For every ten devices in service, hold one spare receipt printer, one scanner and one charging cradle. The maths is simple: a spare costs a few hundred pounds; a till that cannot trade costs that every hour. Want a maintenance-friendly estate? We spec hardware with replaceable batteries and long firmware support as standard — talk to our team or browse the full range.