Brother MFC-J2330DW Service Manual

Confidential
2-74
4.6 Control Panel Problems
4.6.1 No display on LCD/Incorrect display on LCD
4.6.2 No display on LED
4.6.3 The control panel does not work
Step
Cause Solution
1 Panel flat cable connection
failure
Reconnect the panel flat cable.
2 LCD flat cable connection
failure
Reconnect the LCD flat cable.
3 Breakage of panel flat cable Replace the panel flat cable.
4 LCD PCB defective Replace the LCD PCB.
5 LCD defective Replace the LCD ASSY.
6 Control panel ASSY defective Replace the control panel ASSY.
7 Power cord or power supply
PCB defective
Replace the power cord or power supply PCB
ASSY.
8 Main PCB defective Replace the main PCB.
Step
Cause Solution
1 Panel flat cable connection
failure
Reconnect the panel flat cable.
2 Breakage of panel flat cable Replace the panel flat cable.
3 Panel PCB defective Replace the panel PCB ASSY.
4 LCD PCB defective Replace the LCD PCB.
5 Control panel ASSY defective Replace the control panel ASSY.
6 Power cord or power supply
PCB defective
Replace the power cord or power supply PCB
ASSY.
7 Main PCB defective Replace the main PCB.
Step
Cause Solution
1 Panel flat cable connection
failure
Reconnect the panel flat cable.
2 Panel PCB defective Replace the panel PCB ASSY.
3 LCD PCB defective Replace the LCD PCB.
4 Key defective Replace the control panel ASSY.
5 Main PCB defective Replace the main PCB.

Brother MFC-J2330DW Specifications

General

Print Technology	Inkjet
Functions	Print, Copy, Scan, Fax
Connectivity	USB, Ethernet, Wi-Fi, Wi-Fi Direct
Scan Resolution	1200 x 2400 dpi
Fax Speed	33.6 kbps
Max Print Resolution	4800 x 1200 dpi
Print Speed (Black)	22 ppm
Print Speed (Color)	20 ppm
Duplex Printing	Automatic
Display	2.7" Touchscreen
ADF Capacity	50 sheets
Supported Paper Sizes	A3, A4
Operating System Support	Windows, macOS, Linux
Scanner Type	Flatbed, ADF
Mobile Printing	Brother iPrint&Scan, AirPrint, Google Cloud Print
Ink Cartridges	Black, Cyan, Magenta, Yellow
Paper Input Capacity	250 sheets