Brother MFC-7365DN Service Manual

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Confidential
■ Error code 75
The internal temperature reached its upper limit.
■ Error code 76
Fuser unit error. (The center thermistor detects the sharp temperature rise.)
Error code 78
Fuser unit error. (The center thermistor detects the sharp temperature fall.)
■ Error code 7A
A synchronized signal of the main motor cannot be detected.
Cooling Down
Wait for a while
<User Check>
• Leave the machine for a while as the power remains ON.
Step Cause Remedy
1 Internal temperature sensor failure Replace the internal temperature sensor.
2 Main PCB failure Replace the main PCB ASSY.
Print Unable 76
Turn the power off and then back on again.
Print Unable 78
Turn the power off and then back on again.
Step Cause Remedy
1 Fuser unit failure Replace the fuser unit.
2
Low voltage power supply PCB
failure
Replace the low voltage power supply PCB
ASSY.
3
Paper eject sensor PCB failure Replace the paper eject sensor PCB
ASSY.
4 Main PCB failure Replace the main PCB ASSY.
Print Unable 7A
Turn the power off and then back on again.
Step Cause Remedy
1
Flat cable connection failure of
main motor
Check the flat cable connection of the main
motor and reconnect them.
2 Main motor failure Replace the main motor.
3
Low voltage power supply PCB
failure
Replace the low voltage power supply PCB
ASSY.
4 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