Brother MFC-J3520 Service Manual

Confidential
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4.2.3 Two or more sheets of paper fed at a time
User Check
- Check that recording paper is loaded correctly in the paper tray.
- Check that the set number of recording paper loaded in each paper tray is within
specified volume.
- Try reversing the recording paper in each paper tray, or rotating direction of the paper
for 180 degrees.
- Check thickness of recording paper is within tolerance of each type.
- Shuffle recording papers thoroughly and then reload them in the paper tray.
4.2.4 Paper feeding at an angle
User Check
- Check that recording paper is loaded correctly in the paper tray.
- Adjust the paper guide to match the recording paper size.
- Check thickness of recording paper is within tolerance of each type.
- Check if too much paper is loaded in the paper tray.
- Clean the paper pull-in roller.
Step Cause Solution
1 Bank ASSY worn out Replace the bank ASSY.
2 Base pad worn out Replace the base pad.
Step Cause Solution
1 Paper pull-in roller not
mounted in place
Set the paper pull-in roller into place.
2 Bank ASSY out of place Set the bank ASSY into place.
3 Paper feeding path parts out of
place
Set the feeding path parts into place.
4 Inside cover ASSY defective Replace the inside cover ASSY.
5 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