Brother FAX-575 FAX-T102/T104/T106 FAX-817/827/837MC FAX-878 Error AD: Document front sensor defective

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

Error codeAD

The document front sensor is defective. The manual's first action is: “Replace the control panel PCB.”

Model
Brother FAX-575 FAX-T102/T104/T106 FAX-817/827/837MC FAX-878
Display shows
Document front sensor defective (AD)
Type
Error code
Source
Manual p. 120

What AD means

Document front sensor defective p. 120

Common causes

  • Document front sensor defective p. 120

What to do

  1. Replace the control panel PCB. p. 120

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

If AD 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 120 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 AD; 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.