Samsung SCX 4521F All-In-One Laser Printer "front rear" Questions

front and rear cover open but all covers are closed hello check again properly.i think front cover is open if you replace toner and didnt close front cover properly or you open it and didnt close ...

front or rear cover open your front cover is open close it.i think you replace new toner and didnt close it propely

front or rear cover open check front cover sensor and paper jam release cover sensor at the back

Says front of rear cover open - won't print, how to fix? hello your front cover is open .i think you are install new toner and didnt close front cover properly

"Front or Rear cover is Open" "Front or Rear cover is Open" check the cover or door sensor u can short the wire of sensor after that check

front or rear cover open what should i do? my printer samsung scx 4521f is delaying a problem of front or rear cover open when i switchhed on my printer.what should i do to solve this problem? at back

...front and rear cover open." so pls. check with the front door right side portion. you can see a small leaver there, pls. check that liver correctly go inside the cover after we close the front ...

...Front or Rear" (Cover Open). What is lcd shows "Front or Rear" (Cover Open). What is wrong? There is probably a broken sensor on your printer. Try to open and close the cover some times it ...

rear front cover open kindly check the front door / back door ( fuser unit door) opened or not ?

front or rear cover open hello your front door is didnt close properly