Troubleshooting Based On Problem Type; 1 ] Control Panel And Lcd Problems; 2 ] Telephone Problems - Brother MFC260C Service Manual

4.2.4 Troubleshooting Based on Problem Type

[ 1 ] Control panel and LCD problems

Problem
(1) LCD shows nothing.
(2) Control panel inoperative.

[ 2 ] Telephone problems

Problem
(1) No phone call can be made
with the handset. *
(2) Speed dialing will not work.
(3) Dial does not switch between
tone and pulse.
(4) The ringer does not sound.
(5) No phone call can be made
with the cordless handset. *
Models with color LCD
• Color LCD and its flat cable
• Power supply PCB
• Main PCB
Models with monochrome LCD
• Monochrome LCD and its flat cable
• Panel-main harness
• Control panel PCB
• Power supply PCB
• Main PCB
• Panel-main harness
• Control panel PCB
• Rubber keypads
• Main PCB
• Hook switch
1
• Rubber keypads
• Control panel PCB
• Main PCB
• MJ PCB
• Ordinary dialing function
If it works normally, check the main PCB; if not, refer to item
(1) above.
• Main PCB
• Speaker
• Main PCB
• MJ PCB
• Cordless handset
2
• Cordless PCB
• Main PCB
• MJ PCB
Check:
Check:
*
*
4 - 3 0
1
For models with handset
2
For models with cordless handset
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