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Brother MFC-8220 Service Manual

Brother MFC-8220
328 pages
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CHAPTER 6 TROUBLESHOOTING
6-26
7. TROUBLESHOOTING OF TELEPHONE/FAX FUNCTIONS
F-1
FAX transmission cannot be made/Telephone call cannot be placed
User Check
(1) Verify that the telephone cord is securely inserted.
Possible cause Step Check Result Remedy
Dialing mode
setting
1
Dialing signal (PB or DP)
comes out normally in each
mode.
(Use telephone line emulator.)
Yes Check the dialing mode
setting at customer's again.
Check the telephone line
cord between machine and
socket.
Connection
between main
PCB and NCU
PCB
2
Main PCB and NCU PCB are
properly connected.
No Fix the connection properly.
Harness
between main
PCB and NCU
PCB
3
Harness wire is damaged. Yes Replace the harness with a
normal part.
Connection
between main
PCB and control
panel PCB
4
Main PCB and control panel
PCB are properly connected.
No
Fix the connection properly.
Harness
between main
PCB and control
panel PCB
5
Harness wire is damaged. Yes Replace the harness with a
normal part.
Connection of
FPC key
6
FPC key is properly
connected.
No Fix the connection properly.
FPC key 7
Replacement of FPC key
solves the problem.
Yes Replace the FPC key with a
normal part.
NCU PCB 8
Replacement of NCU PCB
solves the problem.
Yes Replace the NCU PCB with
a normal part.
Control panel
PCB
9
Replacement of control panel
PCB solves the problem.
Yes Replace the control panel
PCB with a normal part.
Main PCB 10
Replacement of main PCB
solves the problem.
Yes Replace the main PCB with
a normal part.

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Brother MFC-8220 Specifications

General IconGeneral
Typeall in one
Tray Capacity250
Automatic Document Feeder Capacity30 sheets
Paper Sizeletter, legal, a4, b5, a5, b6, a6, exe
Paper Handlingup to 250 sheets
Mono Print Speed21 pages per minute
Print Resolution Monoup to 2400 x 600
Maximum Number of Pages Per Monthup to 20, 000
Scanner Typesheetfed
Scan Resolutionup to 300 x 600
Copier Resolution Monoup to 600
Fax Functionyes
Cartridgesn/a
Number Of Cartridges2
Internal Memoryyes
Networknot applicable
Connectivityparallel, usb 2.0
OS Compatibilitypc: 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 Connectionno
Weight and Dimensions IconWeight and Dimensions
Height13.2 inches
Width17 inches
Net Weight25.6 pounds

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