Brother FAX-575 FAX-T102/T104/T106 FAX-817/827/837MC FAX-878 Error B9: Light emission intensity error of the LED array (Exceeding the upper limit).

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

Error codeB9

The LED array's light emission intensity has exceeded its upper limit. The manual's first action is: “Replace the CIS unit.”

Model: Brother FAX-575 FAX-T102/T104/T106 FAX-817/827/837MC FAX-878
Display shows: B9
Type: Error code
Source: Manual p. 120

Meaning
Common causes
What to do
Still not solved
Source

What B9 means

Light emission intensity error of the LED array (Exceeding the upper limit). p. 120

Common causes

CIS defective p. 120
Main PCB defective p. 120

What to do

Replace the CIS unit. p. 120
Replace the main PCB. p. 120

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

If B9 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 B9; 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.