Brother MFC-L2700DW Service Manual

2-68
Confidential
 Dark
 Poor fixing
<User Check>
- Check the usage environment of the machine. Using the machine in
hot-humid or cold-dry conditions can cause this problem.
- If a new toner cartridge has been detected, check that it was not
replaced with another toner cartridge.
- Clean the corona wire of the drum unit.
- Replace the drum unit with a new one.
- Replace the toner cartridge with a new one.
Step Cause Remedy
1
Dirt on the electrodes of the drum
unit and those of the machine
Clean the electrodes of the drum unit and
those of the machine. (Refer to Fig. 2-8 and
Fig. 2-9.)
2
Dirt on the electrodes of the toner
cartridge and those of the machine
Clean the electrodes of the toner cartridge
and those of the machine. (Refer to Fig. 2-8
and Fig. 2-9.)
3
Wrong adjusted value of the laser
unit entered
Refer to “1.4 Setting Serial Number and
Entering Adjusted Value of Laser Unit” in
Chapter 4, and enter the adjusted value of
the laser unit correctly.
4
Dirt on the electrodes of the high-
voltage power supply PCB
Clean the electrodes of the machine.
(Refer to Fig. 2-9.)
5
Fuser unit failure Replace the fuser unit.
6
High-voltage power supply PCB
failure
Replace the high-voltage power supply PCB
ASSY.
7
Main PCB failure Replace the main PCB ASSY.
8
Laser unit failure Replace the laser unit.
<User Check>
- Check the usage environment of the machine. Using the machine in
hot-humid or cold-dry conditions can cause this problem.
- Clean the corona wire of the drum unit.
- Replace the drum unit with a new one.
- Replace the toner cartridge with a new one.
Step Cause Remedy
1
Dirt on the electrodes of the toner
cartridge and those of the machine
Clean the electrodes of the toner cartridge
and those of the machine. (Refer to Fig. 2-8
and Fig. 2-9.)
2
Fuser unit failure Replace the fuser unit.
3
High-voltage power supply PCB
failure
Replace the high-voltage power supply PCB
ASSY.
4
Low-voltage power supply PCB
failure
Replace the low-voltage power supply PCB
ASSY.
5
Laser unit failure Replace the laser unit.
6
Main PCB failure Replace the main PCB ASSY.

Brother MFC-L2700DW Specifications

General

Type	all in one
Color	gray
Tray Capacity	250
Automatic Document Feeder Capacity	35 sheets
Paper Size	up to 8.5" x 14" (legal); manual feed slot: 3" to 8.5" in width and 5" to 14" in length
Paper Handling	up to 250 sheets
Print Resolution Mono	up to 2400 x 600
Maximum Number of Pages Per Month	up to 10, 000
Scanner Type	flatbed
Scan Resolution	up to 2400 x 600
Max Copies	99
Copier Resolution Mono	up to 600 x 600
Copier Resolution Color	up to 600 x 600
Fax Function	yes
Cartridges	tn630, tn660
Number Of Cartridges	1
Internal Memory	yes
Memory Card	no
Network	wired, wireless
Connectivity	brother iprint&scan, google cloud print, usb 2.0
OS Compatibility	pc: windows xp (home, professional and professional x64 editions), vista, 7, 8 or 8.1, windows server 2003 (32- or 64-bit), 2008, 2008 r2, 2012 or 2012 r2, mac: os x 10.7.5, 10.8.x or 10.9.x; linux
Mobile Devices Connection	yes

Weight and Dimensions

Height	12.5 inches
Width	16.1 inches
Net Weight	24.9 pounds