Brother HL-L2300d Series 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 HL-L2300d Series Specifications

General

Functions	Print
Standard Paper Capacity (sheets)	250
Standard Interface(s)	USB 2.0
Print Resolution (maximum dpi)	2400 x 600 dpi
Recommended Monthly Print Volume	250 - 2, 000 pages
Operating System Compatibility	Windows, Mac, Linux