HP M232-M237 series Error Er/20: Cartridge sensor error

Printer · taken from the manufacturer’s manual, pages cited

Error codeEr/20

Cartridge sensor error. The manual's first action is: “Turn off the printer. Wait for 30 seconds and turn on the printer. If the problem persists, contact www.hp.com/support/lM232MFP.”

Model
HP M232-M237 series
Display shows
Cartridge sensor error (Er/20)
Type
Error code
Source
Manual p. 65

What Er/20 means

Cartridge sensor error p. 65

Common causes

  • Cartridge sensor error. p. 65

What to do

  1. Turn off the printer. Wait for 30 seconds and turn on the printer. If the problem persists, contact www.hp.com/support/lM232MFP. p. 65

If Er/20 is still not resolved

The manual gives no further instruction for this code. Open the code table in the PDF or contact HP service.

This page summarises what the manufacturer’s manual says about Er/20; each statement links to the page it comes from, and quoted lines are copied word for word. It is not a substitute for the manual or for a qualified installer. ManualLib is not affiliated with HP. Found a mistake? Report an error.