Brother MFC-J3520 Service Manual

Confidential
2-32
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Error Code 3E
Defective occurs in the carriage motor, paper feed motor.
Unable to Print 3E LCD
Step Cause Solution
1 Foreign materials in the
recording paper path
Remove foreign materials.
2 Foreign materials in the
maintenance unit
Remove foreign materials.
3 Foreign materials around
paper feed roller belt
Remove foreign materials.
4 Foreign materials around
paper eject roller belt
Remove foreign materials.
5 Foreign materials in the engine
unit
Remove foreign materials.
6 Maintenance unit not mounted
in place
Set the maintenance unit into place.
7 Flushing box not mounted in
place
Set the flushing box into place.
8 Carriage rail not mounted in
place
Set the carriage rail into place.
9 Platen not mounted in place Set the platen into place.
10 PF encoder sensor defective Replace the PF encoder sensor PCB ASSY.
11 CR encoder sensor defective Replace the carriage PCB ASSY.
12 Carriage motor defective Replace the carriage motor ASSY.
13 Paper feed motor defective Replace the paper feed motor.
14 Main PCB defective Replace the main PCB ASSY.

Brother MFC-J3520 Specifications

General

Print Technology	Inkjet
Duplex Printing	Yes
Fax Modem Speed	33.6 kbps
Functions	Print, Copy, Scan, Fax
Standard Paper Capacity	250 sheets
Mobile Printing	Yes
Max Print Resolution	6000 x 1200 dpi
Scanner Type	Flatbed + ADF
Max Scan Resolution	1200 x 2400 dpi
Connectivity	USB, Ethernet, Wi-Fi
Automatic Document Feeder (ADF)	Yes
Ink Cartridges	Black, Cyan, Magenta, Yellow
Print Speed (Black)	Up to 35 ppm (draft), 12 ppm (ISO)
Print Speed (Color)	27 ppm
Display	2.7" Touchscreen Color LCD