Brother MFC-8220 Service Manual

CHAPTER 6 TROUBLESHOOTING
6-46
I-18 Gray background
Possible cause Step Check Result Remedy
Paper 1 Does the paper being used
meet the paper specification
(weight, etc.)?
No Recommend to use the
specified types of paper.
Yes Recommend to change to
freshly unpacked paper.
Toner sensor
failure
(machine side)
2 Is the sign "Toner Empty"
displayed on the LCD even
after removing the drum unit
and toner cartridge?
(Be sure to close the cover
after removing the drum unit
and toner cartridge.)
Yes Toner sensor failure. Clean the
toner sensor and check the
toner sensor connection.
Toner cartridge
failure
3 Is the problem solved after
replacing the toner cartridge?
Yes Replace the toner cartridge.
Drum unit failure 4 Is the problem solved after
replacing the drum unit?
Yes Replace the drum unit.
No Replace the high-voltage power
supply PCB.
NOTE:
The following cases increase the possibility of this problem.
• Acid paper is being used.
• The drum unit is at the end of its life.
• There is dust or paper powder.

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