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Information to Have Ready When Contacting Us Have the following information ready to ensure smooth service. Product name (MF746Cdw / MF745Cdw / MF743Cdw / MF741Cdw / MF656Cdw / MF654Cdw / MF653Cdw / MF652Cw / MF644Cdw / MF642Cdw / MF641Cw / MF543dw / MF455dw / MF453dw / MF452dw / MF451dw / MF449dw / MF448dw / MF445dw) Dealer where you purchased the machine
Checking the MAC Address Set on the Machine If connected by wired LAN If connected by wireless LAN (MF746Cdw / MF745Cdw / MF743Cdw / MF741Cdw / MF644Cdw / MF642Cdw / MF641Cw / MF543dw / MF449dw / MF448dw / MF445dw) If connected by wireless LAN (MF656Cdw / MF654Cdw / MF653Cdw / MF652Cw / MF455dw / MF453dw / MF452dw / MF451dw)
