Brother MFC-L2700D Service Manual

2-76
Confidential
 Downward fogging of solid color
 Horizontal lines
 Ghost
<User Check>
- Replace the toner cartridge with a new one.
Step Cause Remedy
1
High-voltage power supply PCB
failure
Replace the high-voltage power supply PCB
ASSY.
2
Main PCB failure Replace the main PCB ASSY.
<User Check>
- This problem may disappear after printing multiple
sheets of paper.
- Refer to the User's Guide to remove the dirt from the
exposure drum using a cotton applicator.
- Replace the drum unit with a new one.
- Replace the toner cartridge with a new one.
Step Cause Remedy
1
Dirt on the charge electrodes Clean the electrodes of the drum unit and
those of the machine. (Refer to Fig. 2-8 and
Fig. 2-9.)
2
Scratch or dirt on the fuser unit Replace the fuser unit.
3
High-voltage power supply PCB
failure
Replace the high-voltage power supply
PCB ASSY.
<User Check>
- Check the usage environment of the machine. Using the machine in
hot-humid or cold-dry conditions can cause this problem.
- Check that the appropriate paper type is selected in the driver.
- Select "Improve Toner Fixing" in the driver.
- Replace the drum unit with a new one.
Step Cause Remedy
1
Scratch or dirt on the fuser unit Replace the fuser unit.
2
High-voltage power supply PCB
failure
Replace the high-voltage power supply PCB
ASSY.

Brother MFC-L2700D Specifications

General

Print Technology	Laser
Print Resolution	Up to 2400 x 600 dpi
Duplex Printing	Yes
Paper Input Capacity	250 sheets
Monthly Duty Cycle	Up to 10, 000 pages
Functions	Print, Copy, Scan, Fax
ADF Capacity	35 sheets
Memory	32 MB
Fax Speed	33.6 Kbps
Print Speed	Up to 27 ppm
Connectivity	USB 2.0
Scanner Type	Flatbed
Copy Speed	Up to 27 cpm
Scan Resolution	Up to 600 x 2400 dpi
Display	2-line LCD