Brother MFC-7365DN Service Manual

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Confidential
■ Error code 7B
These errors do not usually occur in the normal use. The conceivable causes are noise around
the installation site, fluctuation of the power supply voltage, and failures in the software.
Error, which cannot be specified, occurs.
Error code 7C
Error, which cannot be specified, occurs.
■ Error code 7D
Detected unusual discharge of the corona wire due to dirt on the drum unit.
Print Unable 7B
Turn the power off and then back on again.
---
<User Check>
• Turn OFF the power switch, and turn it ON again after a while.
Step Cause Remedy
1 Main PCB failure Replace the main PCB ASSY.
Drum Error
Open the Front Cover and slide the green tab across the Drum Unit
several times.
<User Check>
• Clean the corona wire of drum unit.
• Turn OFF the power switch, and turn it ON again after a while.
Step Cause Remedy
1
Dirt on the electrode of the drum
unit and on the machine
Clean the dirt on the contact points of the
both electrodes.
(Refer to Fig. 2-11, Fig. 2-12)
2
High voltage power supply PCB
failure
Replace the high voltage power supply
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