Brother MFC-9840CDW, DCP-9045CDN The new toner is not detected, Pickup function of paper tray does not work

Pickup function of paper tray does not work.

Step	Cause	Remedy
1	Link lever not operating	Make sure correct movemet of the link lever.
	smoothly or catching.
2	Pickup roller holder ASSY not	Make sure correct movement of the pickup roller
	operating smoothly or	holder ASSY.
	catching.
3	Link lever damaged	Replace the link lever.
4	Roller holder ASSY failure	Replace the roller holder ASSY.
5	Paper feed/belt cleaner motor	Replace the paper feed/belt cleaner motor.
	failure

The new toner is not detected.

Step	Cause	Remedy
1	New toner actuator not	Make sure correct movement of the new toner
	operating smoothly or	actuator of the appropriate color.
	catching.
2	New toner actuator damaged	Replace the drum unit.
3	Main PCB failure	Replace the main PCB ASSY.
4	Toner sensor PCB (TE/NEW)	Replace the toner sensor PCB ASSY (TE/NEW) of
	failure	the appropriate color.

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