Brother MFC-J3520 Service Manual

Confidential
2-85
4.10 Other Problems
4.10.1 The machine cannot be powered ON
User Check
- Insert the power cord securely.
4.10.2 Memory card/PictBridge does not function (no response)
User Check
- Check if the memory card is inserted correctly.
- Replace the USB cable.
- Check that memory card is compatible.
- Check that data form is compatible.
- Format the memory card.
- Load the latest firmware.
- Disconnect and insert again the power cord.
4.10.3 Data of memory card/PictBridge does not read
User Check
- Check that memory card is compatible.
- Check that data form is compatible.
- Format the memory card.
- Load the latest firmware.
Step Cause Solution
1 LCD PCB harness connection
failure
Reconnect the LCD PCB harness.
2 LCD harness connection
failure
Reconnect the LCD harness.
3 LCD unit defective Replace the LCD unit.
4 Condenser defective on the
main PCB
Replace the condenser on the main PCB. (For
the judgment and replacement methods of
condenser defective, refer to APPENDIX 4
"REPLACEMENT OF CONDENSER ON THE
MAIN PCB".)
5 Power supply PCB defective Replace the power supply PCB ASSY.
6 Main PCB defective Replace the main PCB ASSY.
Step Cause Solution
1 Media cover not mounted in
place
Set the media cover into place in the case the
memory card won't be inserted smoothly.
2 Main PCB defective Replace the main PCB ASSY.
Step Cause Solution
1 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