Brother MFC-8220 Service Manual

MFC-8220
SERVICE MANUAL
6-15
3.3.2 Causes & countermeasures
The causes for paper jam problems vary depending on the location of the paper jam. When a
paper jam occurs inside the machine, you have to find the location of the paper jam first,
remove the jammed paper and then take the appropriate countermeasure referring to the table
below;
Problem Type of Jam Cause Remedy
Jam when the
machine is turned
on.
Paper stuck The front regist
sensor or paper eject
sensor is turned on.
Remove the paper
inside the machine.
If there is no paper,
check the suspect
sensors referring to
‘3.9 Sensor
OperationaI Check’
in Chapter 7.
Top of paper
stopped at 350mm
from the second exit
roller. Next paper is
not fed.
Jam caused by
paper length
detected as longer
than 400mm (16 in).
The front regist
sensor is not
returning properly
and is not turning off.
Check front regist
sensor motion
referring to ‘3.9
Sensor OperationaI
Check’ in Chapter 7.
Bottom of paper
stopped around the
transfer roller.
Jam caused by
paper length
detected as shorter
than 80mm.
The front regist
sensor was turned
off early.
Malfunction of
actuator or hardware
noise.
Check the front
regist sensor
referring to ‘3.9
Sensor OperationaI
Check’ in Chapter 7.
Top of paper
stopped between the
paper feed roller and
the pick-up roller.
Jam caused by a
paper feed delay.
Paper was not fed in
at the proper timing
due to paper dust or
wear of the rubber
pick-up roller.
Remove the paper
dust attached to the
pick-up roller. If the
rubber is worn out,
replace it with a new
one.
Top of paper
stopped at 50mm
from the contact
point of the heat
roller and pressure
roller.
Jam caused by the
paper not being
sensed when ejected
from the paper eject
sensor.
The paper eject
sensor is not working
properly and has not
turned off. (single
printing)
Check sensor motion
referring to ‘3.9
Sensor OperationaI
Check’ in Chapter 7.
Jam after paper is
ejected.
Jam caused by the
paper not being
sensed when ejected
from the paper eject
sensor.
The paper eject
sensor or front regist
sensor is not working
properly and has not
turned off.
(continuous printing)
Check sensor motion
referring to ‘3.9
Sensor OperationaI
Check’ in Chapter 7.

Brother MFC-8220 Specifications

General

Type	all in one
Tray Capacity	250
Automatic Document Feeder Capacity	30 sheets
Paper Size	letter, legal, a4, b5, a5, b6, a6, exe
Paper Handling	up to 250 sheets
Mono Print Speed	21 pages per minute
Print Resolution Mono	up to 2400 x 600
Maximum Number of Pages Per Month	up to 20, 000
Scanner Type	sheetfed
Scan Resolution	up to 300 x 600
Copier Resolution Mono	up to 600
Fax Function	yes
Cartridges	n/a
Number Of Cartridges	2
Internal Memory	yes
Network	not applicable
Connectivity	parallel, usb 2.0
OS Compatibility	pc: windows 95, 98, 98se, me, nt workstation 4.0, 2000 professional or xp, mac: os 8.6 to 9.2, os x 10.1, 10.2.1 to 10.3 or later, available usb 2.0 or parallel port
Mobile Devices Connection	no

Weight and Dimensions

Height	13.2 inches
Width	17 inches
Net Weight	25.6 pounds