Brother DCP-L6600DW

User Check

• Check that the paper is set in the paper tray correctly.
• Check that there is not too much paper set in the paper tray.
• Flip over the paper in the paper tray or rotate the paper 180°.
• Check that the thickness of the paper is 60 to 120 g/m2 (paper tray 2 to 4).
• Check that the MP tray, T1 or TT is not set as the paper tray.
• Flip through the paper and reset it in the paper tray.
• Clean the paper pick up roller.
• Install the latest main firmware.

Step	Cause	Remedy
1	Dirt on a paper dust cleaning roller of the paper tray	Clean the appropriate paper dust cleaning roller.
2	Attachment failure of a roller holder ASSY	Reattach the appropriate roller holder ASSY correctly.
3	Connection failure of the paper feed motor harness	Reconnect the paper feed motor harness.
4	Connection failure of an LT paper feed sensor harness	Reconnect the appropriate LT paper feed sensor harness.
5	Connection failure of an LT control PCB flat cable	Reconnect the appropriate LT control PCB flat cable.
6	Connection failure of an LT release clutch harness	Reconnect the appropriate LT release clutch harness.
7	Connection failure of an LT pickup clutch harness	Reconnect the appropriate LT pickup clutch harness.
8	An LT paper empty actuator coming off	Reattach the appropriate LT paper empty actuator.
9	Abrasion of a paper pick up roller	Replace the appropriate PF kit.
10	An LT release clutch failure	Replace the appropriate LT release clutch.
11	An LT pickup clutch failure	Replace the appropriate LT pickup clutch.
12	An LT paper empty sensor failure	Replace the appropriate LT paper empty sensor PCB ASSY.
13	Damaged a plate gear	Replace the appropriate plate gear.
14	Damaged fuser gear	Replace the fuser gear.
15	Damaged an LT/TT connector	Replace the appropriate LT/TT connector.
16	Paper feed motor failure	Replace the paper feed motor.
17	An LT control PCB failure	Replace the appropriate LT control PCB ASSY.
18	Panel PCB failure	Replace the panel PCB ASSY.
19	Damaged LT drive gear system of the machine	Replace the main frame L ASSY.
20	Damaged fuser unit	Replace the fuser unit.
21	Main PCB failure	Replace the main PCB ASSY.