Brother MFC-J3520 Service Manual

Confidential
2-30

Error Code 35
Abnormal stop of head/carriage unit. Causes other than recording paper jam when ink
is not discharging.
User Check
- Remove the jammed paper in platen part.
 Error Code 38
Abnormal stop of head/carriage unit. Causes by recording paper jam when ink is not
discharging.
User Check
- Remove the jammed paper in platen part.
Unable to Print 35 LCD
Step Cause Solution
1 Foreign materials in the engine
unit
Remove foreign materials.
2 CR encoder strip stained Clean the CR encoder strip.
3 Switching lever guide out of
place
Set the switching lever guide into place.
4 CR encoder strip defective Replace the CR encoder strip.
5 CR encoder sensor defective Replace the carriage PCB ASSY.
6 Main PCB defective Replace the main PCB ASSY.
Paper Jam LCD
Step Cause Solution
1 Foreign materials in the engine
unit
Remove foreign materials.
2 CR encoder strip stained Clean the CR encoder strip.
3 CR encoder strip defective Replace the CR encoder strip.
4 CR encoder sensor defective Replace the carriage PCB ASSY.
5 Maintenance unit defective Replace the maintenance unit.
6 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