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TROUBLESHOOTING GUIDE
KX-F680BX/KX-F2681BX
LED TEST
DTMF SINGLE
TEST
1..On
2..Off
5 5 2
5 5 7
START
All LEDs flashes on and off, or is illuminated.
Output the DTMF by single tone.
Service Mode
Service Mode
KEY CHECK Service Mode
Service ModeFACTORY
SET
Clear the memory in which the user can store data.
Check the operation button.
Indicate the button code at LCD while the button is pressed.
5 5 0
START
5 6 1
8 1 5
START
CHECK SENSOR OPERATION
Do Sn Co Ja Pa Cu : LCD DISPLAY
Do : Document Sensor : Paper inserted
Sn : Read Position Sensor : at the read Position
Co : Cover Open Sensor : Cover Open
Ja : Jam Sensor : Jam
Pa : Recording Paper Sensor : Set Recording Paper
Cu : Cutter Position SW : Home Position
Service ModeSENSOR
CHECK
any
key
Code
Button Name
02
03
04
05
07
08
0A
0B
0C
5
6
7
8
9
0
*
#
REDIAL/PAUSE
Code
Button Name
35
36
37
38
39
3A
3B
3C
3D
Button Name
RESOLUTION
AUTO RECEIVE
START/COPY/SET
MENU
HELP
SP-PHONE
MUTE
LOWER
DIRECTORY
Button Name
Code
3E
87
88
89
8A
8B
FLASH
STATION 1/6
STATION 2/7
STATION 3/8
STATION 4/9
STATION 5/10
Code
0D
0E
16
18
19
31
32
33
34
¨ VOLUME
VOLUME
ERASE
NEW MSGS. PLAY BACK
MAIL BOX
1
2
3
4
5-1. BUTTON CODE TABLE
8 4 1
SPEAKER
PHONE
DIGITAL
SPEAKER
PHONE RX &
TX CHECK
Service Mode
Please refer to page 75.