Brother MFC-L2700D Service Manual

2-86
Confidential
4.11 Troubleshooting for Document Feeding Problems
4.11.1 No document is fed
4.11.2 Multiple documents are fed
<User Check>
- Set the document properly and check that the display on the LCD changes.
- Check that the number of documents set is no more than 35 sheets.
- Check that the ADF cover is closed correctly.
Step Cause Remedy
1
Document detection actuator
coming off
Reattach the document detection actuator.
2
ADF cover actuator coming off Reattach the ADF cover actuator.
3
Connection failure of ADF motor
harness
Check the connection of the ADF motor
harness, and reconnect it if necessary.
4
Connection failure of ADF cover/
document detection sensor PCB
harness
Check the connection of the ADF cover/
document detection sensor PCB harness,
and reconnect it if necessary.
5
Boss to push the ADF cover sensor
of the ADF cover
Replace the ADF cover ASSY.
6
Document separate roller failure Replace the document separate roller.
7
ADF cover/document detection
sensor failure
Replace the ADF cover/document detection
sensor PCB ASSY.
8
ADF motor failure Replace the ADF motor.
9
Damaged ADF drive gear Replace the ADF unit.
10
Main PCB failure Replace the main PCB ASSY.
<User Check>
- Check that paper used for the document is not thinner than 64 g/m
2
.
Step Cause Remedy
1
Abrasion of ADF separation pad Replace the ADF separation pad holder
ASSY.

Brother MFC-L2700D Specifications

General

Print Technology	Laser
Print Resolution	Up to 2400 x 600 dpi
Duplex Printing	Yes
Paper Input Capacity	250 sheets
Monthly Duty Cycle	Up to 10, 000 pages
Functions	Print, Copy, Scan, Fax
ADF Capacity	35 sheets
Memory	32 MB
Fax Speed	33.6 Kbps
Print Speed	Up to 27 ppm
Connectivity	USB 2.0
Scanner Type	Flatbed
Copy Speed	Up to 27 cpm
Scan Resolution	Up to 600 x 2400 dpi
Display	2-line LCD