Brother MFC-J3520 Service Manual

Confidential
2-29

Error Code 31
Head/carriage unit cannot return to origin. Detected by the CR encoder sensor.
User Check
- Remove the jammed paper in platen part.
 Error Code 32
Head capping is unable.
User Check
- Remove the jammed paper in platen part.
Paper Jam LCD
Step Cause Solution
1 Foreign materials around the
maintenance unit
Remove foreign materials.
2 Foreign materials around the
flushing box
Remove foreign materials.
3 Switching lever guide out of
place
Set the switching lever guide into place.
4 CR encoder strip stained Clean the CR encoder strip.
5 Flushing box not mounted in
place
Set the flushing box into place.
6 Carriage rail not mounted in
place
Set the carriage rail into place.
7 Platen not mounted in place Set the platen into place.
8 Maintenance unit not mounted
in place
Set the maintenance unit into place.
9 CR encoder sensor defective Replace the carriage PCB ASSY.
10 Maintenance unit defective Replace the maintenance unit.
11 Main PCB defective Replace the main PCB ASSY.
Unable to Print 32 LCD
Step Cause Solution
1 Foreign materials around the
maintenance unit
Remove foreign materials.
2 Switching lever guide out of
place
Set the switching lever guide into place.
3 Maintenance unit defective Replace the maintenance unit.
4 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