2
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e-STUDIO2020C/2330C/2820C/2830C/3520C/3530C/4520C
SELF-DIAGNOSTIC MODE
2 - 5
[FAX] button: OFF/[COPY] button: OFF ([FAX] LED: OFF/[COPY] LED: OFF)
Digital
key
Button
Items to check
Contents
Highlighted display
e.g.
Normal display
e.g.
[1]
A
-
-
-
B
-
-
-
C
Used toner paddle motor lock detection sensor
Sensor blocked
Sensor not blocked
D
PWA-F-SRAM connection detection
Not connected
Connected
E
K drum phase sensor
Sensor blocked
Sensor not blocked
F
Color drum phase sensor
Sensor blocked
Sensor not blocked
G
-
-
-
H
Waste toner cover open/close detection switch
OPEN
CLOSE
[2]
A
-
-
-
B
PFP upper drawer detection switch
Drawer not installed
Drawer present
C
PFP upper drawer paper stock sensor
Paper almost empty
Paper present
D
PFP upper drawer feed sensor
Paper present
No paper
E
PFP connection
Not connected
Connected
F
PFP side cover open/close switch
Cover opened
Cover closed
G
PFP upper drawer empty sensor
No paper
Paper present
H
PFP upper drawer tray-up sensor
Tray at upper limit
position
Other than upper
limit position
[3]
A
-
-
-
B
-
-
-
C
IMG board connection
Not connected
Connected
D
-
-
-
E
-
-
-
F
IPC board connection
Not connected
Connected
G
-
-
-
H
HSYNC error
Error
Normal
[4]
A
2nd drawer tray-up sensor
Tray at upper limit
position
Other than upper
limit position
B
1st drawer tray-up sensor
Tray at upper limit
position
Other than upper
limit position
C
2nd drawer paper stock sensor
Paper almost empty
Paper present
D
1st drawer paper stock sensor
Paper almost empty
Paper present
E
2nd drawer detection switch
Drawer not installed
Drawer present
F
1st drawer detection switch
Drawer not installed
Drawer present
G
2nd drawer empty sensor
No paper
Paper present
H
1st drawer empty sensor
No paper
Paper present
[5]
A
High voltage control leak detection status
Normal
Abnormal
B
Fuser unit thermistor connection detection
Connected
Not connected
C
Fuser unit new BAM judging signal-1
Old
New BAM
D
Bridge unit transport sensor-2 (Exit sensor)
Paper present
No paper
E
Bridge unit cover open/close detection switch
Cover opened
Cover closed
F
Bridge unit transport sensor-1 (Entrance
sensor)
Paper present
No paper
G
Bridge unit paper full detection sensor
Paper full
Paper not full
H
Bridge unit connection
Not connected
Connected