3 December 2004
LED FUNCTION MODE
4-1
Trouble-
shooting
4. TROUBLESHOOTING
4.1 LED FUNCTION MODE
4.1.1 LED FUNCTION TABLE
LEDs
Blinking
(sec.)
Conditions Contents
Power on
Alarm
On Off
Total
blinking
cycles
Machine
initialization
Overall machine check
On
On
–
Scanning Normal
mode
On Off –
Stand-by Normal
mode
Blinking Off 0.5
0.5 1
Jam detection
Jam*
On
On
–
–
–
HP sensor error*
Blinking
Blinking
0.5
0.5
2
CCD ASIC error*
Blinking
Blinking
0.5
0.5
3
Fan lock error (Scanner)
Blinking
Blinking
0.5
0.5
4
Fan lock error (ADF)
Blinking
Blinking
0.5
0.5
5
Exposure lamp error
Blinking
Blinking
0.5
0.5
6
EEPROM error*
Blinking
Blinking
0.5
0.5
7
Gain/ Offset adjustment
initialization error*
Blinking Blinking 0.5 0.5
8
Flash ROM error
Blinking
Blinking
0.5
0.5
9
Memory error*
Blinking
Blinking
0.5
0.5
10
System error
detection
System error
Blinking
Blinking
0.5
0.5
11
Base program
running
–
Blinking Blinking 0.25
0.25 –
On: LED on Blinking: LED blinking Off: LED off
NOTE:
1) The “*”symbols show that these are detected by the self diagnostic
mode.
2) The LED's blinking is repeated until it gets to the ‘total blinking cycles’
number. The LEDs turn off for 2 seconds between blinking cycles.