Common Error Codes
J001 dirty sensor on side main machine J010 check tray 1 J019 check for paper in Registration area J021 replace duplex motor, check heat/pressure roller area, drum pick-off fingers, transfer belt bias J023 Invert gate on duplex (the 9 fingers) J026 duplex file plastic arms J027 duplex solenoid or the back motor 2-pole mover, or roller off track J028 replace duplex connector J053 most likely white plastic gear broke J069 dust sensor / registration Mylar /gears J077 change small connection cable J108 clean finisher sensors J114 check finisher joggers J115 both stacker arms not working (Stacker joggers ) J119 clean finisher stapler 2-finger lift SC 221 LD uni...