Brother DCP-L8450CDW

User Check

- Check if the paper is loaded all the way into the MP tray.
- Check that too much paper is not loaded in the MP tray.
- Check if the machine is used with the MP tray support and MP flap are in closed state.
- Check if the thickness of the paper is 60 to 163 g/m2.
- Check whether the paper tray 1 or T2 paper tray unit is specified for the paper feeding tray.
- Fan the stack of paper well and reinsert the papers into the MP tray.
- Clean the MP paper pick-up roller.
- Check whether the paper tray 1 is closed correctly.

Step	Cause	Remedy
1	MP paper empty acutuator A ASSY/B coming off	Re-assemble the MP paper empty acutuator A ASSY/B.
2	Connection failure of the main motor harness	Reconnect the main motor harness.
3	MP roller holder ASSY installation failure	Check the installation of the MP roller holder ASSY and install it correctly.
4	Connection failure of the MP paper empty/registration front sensor PCB harness	Reconnect the MP paper empty/ registration front sensor PCB harness.
5	MP paper pick-up roller worn out	Replace the PF kit MP.
6	MP paper empty acutuator A ASSY/B failure	Replace the MP paper empty acutuator A ASSY/B.
7	MP paper empty/registration front sensor failure	Replace the MP paper empty/registration front sensor PCB ASSY.
8	Main motor failure	Replace the process drive unit.
9	Paper feed related gear damaged	Replace the main drive unit.
10	Fuser unit damaged	Replace the fuser unit.
11	Main PCB failure	Replace the main PCB ASSY.