Brother MFC-7365DN Service Manual

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Confidential
■ Error code B7
A/D converter standard voltage failure; at High side.
* This error is indicated on the LCD in the maintenance mode.
Error code B8
A/D converter standard voltage failure; at Low side.
* This error is indicated on the LCD in the maintenance mode.
■ Error code B9
Scanning light adjustment error.
* This error is indicated on the LCD in the maintenance mode.
■ Error code BA
This error does 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 BB
White level data error.
* This error is indicated on the LCD in the maintenance mode.
Scanner Error B7
Scanner Error
Step Cause Remedy
1 CIS unit failure Replace the CIS unit.
2 Main PCB failure Replace the main PCB ASSY.
Scanner Error
Step Cause Remedy
1 CIS unit failure Replace the CIS unit.
2 Main PCB failure Replace the main PCB ASSY.
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<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.
Scanner Error
Step Cause Remedy
1
White level data failure Execute the "Acquisition of white level data
(Function code 55)".
2 CIS unit failure Replace the CIS unit.
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