Brother MFC-J3520 Service Manual

Confidential
2-71

Traces of paper pull-in roller
 Dirt on the paper
User Check
- Check whether the recording paper being used is within
the specification.
- Clean the paper pull-in roller.
Step Cause Solution
1 Paper pull-in roller defective Replace the paper pull-in roller.
User Check
- Check whether the recording paper being
used is not folded.
- Check whether the recording paper being
used is within the specification.
- Clean the related rollers by printing blank
paper.
- Clean the platen.
Step Cause Solution
1 Maintenance unit stained Clean the maintenance unit (refer to Fig. 2-10
(2-62).)
2 Foreign materials in the
reverse side of the head
Remove foreign materials.
3 Paper feed roller stained Replace the paper feed roller.
4 Paper ejection roller stained Replace the paper ejection roller.
5 Switchback roller stained Replace the switchback roller.

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