Brother MFC-J3520 Service Manual

Confidential
2-42

Error Code 84
Recording paper jam
Registration sensor stays in paper feeding state even after completion of paper
ejection action.
User Check
- Remove the jammed paper in platen part.
 Error Code 87
Recording paper jam
Switchback sensor stays in paper feeding state even after completion of paper ejection
action.
User Check
- Remove the jammed paper in front part.
- The paper tray is not set correctly.
Paper Jam LCD
Step Cause Solution
1 Foreign materials in the
feeding path
Remove foreign materials.
2 Registration actuator caught
on the surrounding parts
Set the registration actuator into place.
3 Switchback actuator caught on
the surrounding parts
Set the switchback frame ASSY into place.
4 Paper feed roller,
paper ejection roller,
switchback roller stained
Clean the related rollers.
5 Paper feed roller,
paper ejection roller,
switchback roller defective
Replace related rollers.
6 Main PCB defective Replace the main PCB ASSY.
Paper Jam LCD
Step Cause Solution
1 Foreign materials in the
feeding path
Remove foreign materials.
2 Switchback actuator caught on
the surrounding parts
Set the switchback frame ASSY into place.
3 Switchback outer paper guide
not mounted in place
Set the switchback outer paper guide into place.
4 Paper ejection roller,
switchback roller stained
Clean the related rollers.
5 Paper ejection roller,
switchback roller defective
Replace related rollers.
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