Brother DCP-B7500D Service Manual

2-75
Confidential
4.2.3 No paper feeding from manual feed slot
<User Check>
• Check that the paper is set into the deepest part of the manual feed slot.
• Check that multiple sheets of paper are not set in the manual feed slot.
• Check that the thickness of the paper is 60 to 230 g/m
2
.
• Check that the paper tray is not set as the pick-up tray.
• Check that the paper tray is closed correctly.
4.2.4 Multiple sheets of paper are fed
<User Check>
• Check that there is not too much paper set in each paper tray.
• Check that the paper is set in each paper tray correctly.
• Flip over the paper in each paper tray or rotate the paper 180°.
• Check that the thickness of the paper is 60 to 163 g/m
2
for the paper tray,
and 60 to 230 g/m
2
for the MP tray.
• Flip through the paper and reset it in the paper tray.
Step Cause Remedy
1
T1 roller holder ASSY
attachment failure
Reattach the T1 roller holder ASSY.
2
Connection failure of the paper
feed motor flat cable
Reconnect the paper feed motor flat
cable.
3
Connection failure of the
registration front/rear sensor
harness
Reconnect the registration front/rear
sensor harness.
4
Abrasion of the paper pick up
roller
Replace the PF kit 1.
5
Paper feed motor flat cable
failure
Replace the paper feed motor flat cable.
6 Registration front sensor failure Replace the actuator holder ASSY.
7 Paper feed motor failure Replace the paper feed motor.
8
Damaged gears in the paper
feed drive system
Replace the frame L unit.
9 Damaged fuser unit Replace the fuser unit.
10 Main PCB failure Replace the main PCB ASSY.
Step Cause Remedy
1 Abrasion of the separation pad Replace the PF kit.

Brother DCP-B7500D Specifications

General

Duplex printing	Yes
Print technology	Laser
Maximum resolution	2400 x 600 DPI
Duplex printing mode	Auto
Time to first page (black, normal)	8.5 s
Print speed (black, normal quality, A4/US Letter)	34 ppm
Printing colors	Black
Duplex functions	Print
Maximum duty cycle	15000 pages per month
Number of print cartridges	1
Page description languages	BR-Script 3, PCL 6, PDF 1.7
Copier resize	25 - 400 %
Duplex copying	-
Maximum copy resolution	600 x 600 DPI
Maximum number of copies	99 copies
Scan to	E-mail, File, Image
Input color depth	30 bit
Output color depth	24 bit
Input grayscale depth	10 bit
Output grayscale depth	8 bit
Optical scanning resolution	1200 x 1200 DPI
Faxing	No
Total input capacity	250 sheets
Total output capacity	120 sheets
Paper tray media types	Plain paper, Recycled paper, Thin paper
Paper tray media weight	60 - 230 g/m²
Non-ISO print media sizes	Executive (184 x 267mm), Folio (media size), Legal (media size)
ISO A-series sizes (A0...A9)	A4, A5, A6
Maximum ISO A-series paper size	A4
USB 2.0 ports quantity	USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them.
Product color	Gray
Market positioning	Home & office
Mac operating systems supported	Mac OS X 10.11 El Capitan, Mac OS X 10.12 Sierra, Mac OS X 10.13 High Sierra, Mac OS X 10.14 Mojave, Mac OS X 10.15 Catalina, Mac OS X 10.15.3 Catalina, Mac OS X 10.2 Jaguar, Mac OS X 10.4 Tiger, Mac OS X 10.5 Leopard, Mac OS X 10.6 Snow Leopard, Mac OS X 10.7 Lion, Mac OS X 10.8 Mountain Lion, Mac OS X 10.9 Mavericks, Mac OS X 11.0 Big Sur
Windows operating systems supported	Windows 10, Windows 7, Windows 8, Windows 8.1
AC input voltage	220 - 240 V
AC input frequency	50 - 60 Hz
Power consumption (off)	0.03 W
Power consumption (ready)	42 W
Power consumption (sleep)	6.2 W
Power consumption (printing)	485 W

Weight and Dimensions

Depth	398.5 mm
Width	410 mm
Height	272 mm