Brother MFC-8220 Service Manual

CHAPTER 6 TROUBLESHOOTING
6-28
F-4
No bell ring.
Possible cause Step Check Result Remedy
Ring delay 1
Ring delay is set to "0". Yes Set the ring delay to other
than "0".
Ring volume 2
Ring volume is set to "OFF". Yes Set the ring volume to other
than "OFF".
Connection
between main
PCB and
scanner unit
3
Main PCB and scanner unit
are properly connected.
No Fix the connection properly.
Harness
between main
PCB and
scanner unit
4
Harness wire is damaged. Yes Replace the harness with a
normal part.
Connection
between main
PCB and NCU
PCB
5
Main PCB and NCU PCB are
properly connected.
No Fix the connection properly.
Harness
between main
PCB and NCU
PCB
6
Harness wire is damaged. Yes Replace the harness with a
normal part.
Speaker 7
Replacement of speaker
solves the problem.
Yes Replace the speaker with a
normal part.
NCU PCB 8
Replacement of NCU PCB
solves the problem.
Yes Replace the NCU PCB with
a normal part.
Main PCB 9
Replacement of main PCB
solves the problem.
Yes Replace the main PCB with
a normal part.

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