Brother DCP-B7500D Service Manual

2-78
Confidential
4.2.9 Paper jam
 Paper jam at the paper tray
<User Check>
• Check that the paper is set in the paper tray correctly.
• Flip over the paper in the paper tray or rotate the paper 180°.
• Adjust each paper guide according to the paper size.
• Check that there is not too much paper set.
• Check that the thickness of the paper is 60 to 163 g/m
2
.
• Flip through the paper and reset it in the paper tray.
Step Cause Remedy
1
Foreign object around the paper
tray
Remove the foreign object.
2
Paper dust cleaning roller
attachment failure
Reattach the paper dust cleaning roller.
3 Paper feed actuator coming off Reattach the paper feed actuator.
4
Registration front actuator
coming off
Reattach the registration front actuator.
5
Connection failure of the
registration front/rear sensor
harness
Reconnect the registration front/rear
sensor harness.
6
Connection failure of the
registration clutch harness
Reconnect the registration clutch harness.
7
Connection failure of the T1
paper feed sensor harness
(non paper empty sensor models
only)
Reconnect the T1 paper feed sensor
harness.
8
Connection failure of the T1
paper empty/paper feed sensor
harness
(paper empty sensor models
only)
Reconnect the T1 paper empty/paper feed
sensor harness.
9 Registration front sensor failure Replace the actuator holder ASSY.
10
T1 paper feed sensor failure
(non paper empty sensor models
only)
Replace the T1 paper feed sensor PCB
ASSY.
11
T1 paper empty sensor failure
(paper empty sensor models
only)
Replace the T1 paper empty/paper feed
sensor PCB ASSY.
12 Paper feed motor failure Replace the paper feed motor.
13
Damaged gears in the paper
feed drive system
Replace the frame L unit.
14 Damaged fuser unit Replace the fuser unit.
15 Main PCB failure Replace the main PCB ASSY.

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