Paper Rolls

Drawer Port Tester / Indicator

The APG Series 4000 cash drawer is one of the toughest on the market, utilizing industrial Tester has Indicator has light to test that the drawer kick out port on the printer is working and being fired. LED lights every time the drawer normally is opened.

  • Tests that drawer is working
  • Tests that signal is sent to open drawer
  • Checks that proper voltage is being sent
  • Test drawer cable
  • Can be used as a visual print indicator


  • Epson / Star / Bixolon / NCR printer  with drawer kick (DK) port (24V)

Test Procedure

Drawer Port Test

  • Plug tester into drawer kick port
  • Print  and open drawer
  • Light should briefly light

Cable Test

  • Plug tester into drawer end of cable using the union provided
  • Print  and open drawer
  • Light should briefly light


If light fails to light

  • signal has not been sent to port. Cash drawer should be enabled. Confirm application settings.
  • drawer kick port defective. Test with a different printer, if available.

If light lights but drawer does not open

  • Bad cable (try running cable test, above)
  • Defective drawer. Test with different drawer, if available.
  • Incompatible drawer, must be 24v.


The Drawer Kick Port on an Epson Printer

Part Number        Interface  Price Purchase

Epson 24v



Buy Epson ERC-38 Ribbon Cartridge



Cash Drawer Troubleshooting
Drawer Alarm

How to program a cash drawer 


Printer set-up guide
Interface Cards
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