82JU-043
Information to Have Ready When Contacting Us
Have the following information ready to ensure smooth service.
Product name (MF746Cx / MF744Cdw / MF742Cdw / MF657Cdw / MF655Cdw / MF651Cw / MF645Cx / MF643Cdw / MF641Cw / MF553dw / MF552dw / MF543x / MF542x / MF455dw / MF453dw / MF449x / MF446x / MF445dw / MF443dw)
Dealer where you purchased the machine
Details about your problem (such as what you did and what happened as a result)
Serial number (found on the label on the back side of the machine)
MF746Cx / MF744Cdw / MF742Cdw
MF657Cdw / MF655Cdw / MF645Cx / MF643Cdw
MF651Cw / MF641Cw
MF553dw / MF552dw / MF543x / MF542x
MF455dw / MF453dw / MF449x / MF446x / MF445dw / MF443dw
NOTE
Checking the serial number from the operation panel
<Status Monitor> 
<Device Information> <Serial Number>.
<Device Information> <Serial Number>. IMPORTANT
Do not disassemble or repair the machine yourself
If you disassemble or repair the machine yourself, it may not be covered by warranty.