Brother FAX-575 FAX-T102/T104/T106 FAX-817/827/837MC FAX-878 Error A3: The document rear sensor does not come ON during document pull-in operation.

Fax machine · taken from the manufacturer’s manual, pages cited

Error codeA3

The document rear sensor does not come ON during document pull-in operation. The manual's first action is: “Remove the jammed document.”

Model
Brother FAX-575 FAX-T102/T104/T106 FAX-817/827/837MC FAX-878
Display shows
A3
Type
Error code
Source
Manual p. 119

What A3 means

The document rear sensor does not come ON during document pull-in operation. p. 119

Common causes

  • Document jam p. 119
  • Document rear sensor actuator caught on the surrounding parts p. 119
  • Document rear sensor broken p. 119

What to do

  1. Remove the jammed document. p. 119
  2. Correct the surrounding parts on which the actuator caught. p. 119
  3. Replace the control panel PCB. p. 119

Before you service the product, read the safety instructions in the manual p. 5.

If A3 is still not resolved

  • Call your Brother dealer or Brother Customer Service. p. 5
    “Call your Brother dealer or Brother Customer Service.”
Open the manual at page 119 All FAX-575 FAX-T102/T104/T106 FAX-817/827/837MC FAX-878 error codes Manual details & download

This page summarises what the manufacturer’s manual says about A3; 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 Brother. Found a mistake? Report an error.