Brother MFC-L8900CDW

No document is fed

User Check

• Set the document properly and check that the display on the LCD changes.
• Check that the number of paper set has not exceeded the upper limit in the document tray.
• Check that the ADF cover is closed correctly.

Step	Cause	Remedy
1	Document detection actuator coming off	Reattach the document detection actuator.
2	Connection failure of the ADF motor harness	Reconnect the ADF motor harness.
3	Boss to push the ADF cover sensor of the ADF cover	Replace the ADF cover ASSY.
4	ADF cover sensor failure	Replace the ADF cover sensor ASSY.
5	Document detection sensor failure	Replace the document detection sensor PCB.
6	Document separate roller failure	Replace the document separate roller ASSY.
7	ADF motor failure	Replace the ADF motor.
8	Damaged ADF drive gear	Replace the ADF unit.
9	Main PCB failure	Replace the main PCB ASSY.

Multiple documents are fed

User Check

• Check that the thickness of the document is 64 to 90 g/m2.
• Check that the number of paper set has not exceeded the upper limit in the document tray.

Step	Cause	Remedy
1	Abrasion of ADF separation pad	Replace the ADF separation pad.