Brother MFC-8220 Service Manual

MFC-8220
SERVICE MANUAL
A-13
WSW07 (Dial tone setting 1)
Selector
No.
Function Setting and Specifications
1
2
Frequency band range
No. 1 2
0 0 : Narrows by 10 Hz
0 1 : Initial value
1 X : Widens by 10 Hz
3 Not used.
4
|
6
2nd dial tone detection level
(Z = 600 Ω)
No. 4 5 6
0 0 0 : -21 dBm
0 0 1 : -24 dBm
0 1 0 : -27 dBm
0 1 1 : -30 dBm
1 0 0 : -33 dBm
1 0 1 : -36 dBm
1 1 0 : -39 dBm
1 1 1 : -42 dBm
7 1st dial tone interrupt detecting
time
0: 30 ms 1: 50 ms
8 Not used.
NOTE:
Selectors 1, 2, 4 through 7 are not applicable in those countries where no dial tone or line
current detection is supported, e.g., U.S.A.
l Selectors 1 and 2: Frequency band range
These selectors set the frequency band for the 1st dial tone and the busy tone (before
dialing) to be detected.
This setting is effective only when selectors 1 through 3 of WSW05 are set to "1,1,1."
l Selectors 4 through 6: 2nd dial tone detection level
These selectors set the detection level of the 2nd dial tone.
l Selector 7: 1st dial tone interrupt detecting time
This selector sets the allowable time length of an interrupt which should not be interpreted as
an interrupt in the 1st dial tone dialing.

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