Brother MFC-7365DN Service Manual

2-99
Confidential
3.11 Troubleshooting of the Control Panel
3.11.1 Nothing is displayed on the LCD
3.11.2 The control panel does not work
3.11.3 Lamp malfunction
User Check
• Verify if the power switch is turned off.
Step Cause Remedy
1 AC cord failure Replace the AC cord.
2
Harness connection failure of panel
PCB ASSY
Reconnect the panel PCB ASSY harness.
3
Harness connection failure of LCD
and panel PCB
Check the harness connection between
the LCD and panel PCB, and reconnect it.
4 LCD failure Replace the LCD.
5
Low voltage power supply PCB
failure
Replace the low voltage power supply
PCB ASSY.
6 Panel PCB failure Replace the panel PCB ASSY.
7 Main PCB failure Replace the main PCB ASSY.
User Check
• Check whether the function lock is not set.
• Turn the power off and on.
Step Cause Remedy
1 Panel unit assembling failure Re-assemble the panel unit.
2
Connection failure between main
PCB and panel PCB
Connect the connector between the main
PCB ASSY and panel PCB ASSY
correctly.
3 Rubber key failure Replace the rubber key.
4 Panel PCB failure Replace the panel PCB ASSY.
5 Main PCB failure Replace the main PCB ASSY.
Step Cause Remedy
1
Connection between main PCB and
panel PCB
Connect the connector between the main
PCB ASSY and panel PCB ASSY
correctly.
2 Panel PCB failure Replace the panel PCB ASSY.
3 Main PCB failure Replace the main PCB ASSY.

Brother MFC-7365DN Specifications

Printing Specifications

print technology	Electrophotographic Laser
print speed	Up to 24ppm
print resolution	Up to 1200 x 600 dpi

Copying Specifications

copy speed	Up to 24cpm
copy resolution	600 x 600 dpi
copy reduction/enlargement	25% - 400% in 1% increments

Scanning Specifications

scanner type	Color Flatbed with ADF
document glass size	8.5” x 11” (letter)
scan resolution	Optical: Up to 600 x 2400 dpi

Paper Handling

paper size maximum	Up to 8.5” x 14” (legal size)
paper input capacity maximum	250-sheet capacity paper tray, single-sheet manual feed slot
output capacity maximum	100 sheets (face down), 1 sheet (face up)

Weight and Dimensions

unit dimensions	15.9” W x 15.7” D x 12.4” H
unit weight	25.6 lbs.
carton weight	32.6 lbs.
carton dimensions	20.7” W x 20.1” D x 19.4” H