Brother MFC-J3520 Service Manual

5-1
Confidential
CHAPTER 5 SERVICE FUNCTIONS
1 MAINTENANCE MODE
The maintenance mode is exclusively designed for the purpose of checks, settings and
adjustments of the machine and can be triggered by the keys on the control panel.
In the maintenance mode, you can perform operational checks of sensors, perform a
print test, display the log information or error codes, and configure worker switches
(WSW).
1.1 Entry to the Maintenance Mode
1.1.1 How to Enter the Maintenance Mode Exclusive to Service Personnel
< Operating Procedure >
(1) When the machine is on standby, hold down the Home key for approx. 5 seconds
to display the following screen on the LCD.
(2) Hold down the blank area at the bottom of the LCD for approx. 2 seconds to
display the following screen.

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