If the Problem Persists

If the problem persists even after trying the troubleshooting methods, contact your dealer or service representative.


Do not disassemble or repair the machine yourself. Disassembling or repairing the machine yourself may void the warranty.

Checks Before Contacting Us

Product name (MF289dw / MF286dn / MF284dw)

Dealer purchased from

Details of the problem (such as operation details and their results)

Serial number

How to Look Up the Serial Number

Touch Panel Model

on the control panel

[Device Status]

[Serial Number]

5 Lines LCD Model

on the control panel

[Device Status]

[Serial Number]

You can also check this information using Remote UI from a computer. Managing the Machine from a Computer (Remote UI)

You can also check this information on the label on the back of the machine.