Self-Diagnosis - Kyocera FS-720 Service Manual

1-5-2 Self-diagnosis

(1) Self-diagnostic function
When a self diagnostics error occurs, the printer halts and displays the appropriate error code using a combination of the
READY and ATTENTION indicators.
LED indicator
ATTENTION indicator (Amber)
READY indicator (Green)
Example: self-diagnostic code: E6 (F050)
Indicates the
occurrence of a self
diagnostics error.
ATTENTION
7.3 s
READY
Self-diagnostic code conversion table
Self-diagnostic code
4 digits 2 digits
6400 A0
7980 D9
7990 DA
F040 E0
2000 E1
4000 E2
4200 E3
6000
6010 E4
6050
F050 E6
F010 F1
F020 F2
F030 F3
The ATTENTION indicator means 1 when it flashes in synchronization with the
READY indicator which flashes at the interval of 1.2 second; and it means 0 when it
turns off: This is repeated 8 times. Two digit self diagnostics codes are indicated in 8
bits (2 digits hexadecimal) using the ATTENTION indicator.
Interval
1
2.4 s
ATTENTION indicator
1 0 1 0 0
1 1 0 1 1
1 1 0 1 1
1 1 1 0 0
1 1 1 0 0
1 1 1 0 0
1 1 1 0 0
1 1 1 0 0
1 1 1 0 0
1 1 1 1 0
1 1 1 1 0
1 1 1 1 0
Figure 1-5-3 Self-diagnostic code indication
Indication example
Lit Off
Lit Off
E (Hexadecimal)
1 1 0
0 0 0
0 0 1
0 1 0
0 0 0
0 0 1
0 1 0
0 1 1
1 0 0
1 1 0
0 0 1 16/18 ppm printers only
0 1 0
0 1 1
6
0 1 1
Remark
2GL/2FV/2FW
0
Repeat
1-5-3