# Connecting a cash drawer to the printer A cash drawer isn't connected to the POS at all. It plugs into the **receipt printer**, and the printer pops it open when a receipt prints. ## Wire it up[​](#wire-it-up "Direct link to Wire it up") 1. Plug the drawer's cable — it looks like a telephone plug — into the socket on the printer marked **DK**, **Drawer** or **Cash Drawer**. 2. Don't use the network socket beside it. It's the same shape and slightly wider; the drawer cable is the narrower one. 3. Switch the printer off and on. ## Switch it on in the app[​](#switch-it-on-in-the-app "Direct link to Switch it on in the app") Open **Settings → Printing**, find the printer's row, and turn on **Auto-open cash drawer**. The drawer then opens each time that printer prints a receipt. ## When it doesn't open[​](#when-it-doesnt-open "Direct link to When it doesn't open") * **Check the drawer's key.** Many drawers have a lock on the front with a position that disables the release entirely. * **Try the printer's own test.** Most printers pop the drawer during their self-test. If that doesn't open it either, the problem is the cable or the drawer, not the POS. * **Low-cost printers may not respond.** Some clones only understand an older version of the open command, and some don't drive the drawer at all. The printer's manual will say whether it supports a cash drawer. * **Check the voltage.** Drawers come in 12 V and 24 V versions. A 24 V drawer on a 12 V printer socket clicks but doesn't have the force to open. * **The browser's print dialog can't open a drawer.** The receipt has to be routed to the thermal printer itself. ## Still stuck?[​](#still-stuck "Direct link to Still stuck?") Use **Copy setup report** and paste it into your message, with the printer and drawer models. [Discord Community](https://wcpos.com/discord)