2FP/2FY/2FR
1-5-8
Code
Contents
Remarks
Causes
Check procedures/corrective measures
Eraser lamp error
•
The ERADEAD* signal (delivered from
the eraser lamp blown-out detection
circuit on the engine board) goes low
continuously more than 1 second, while
eraser lamp is on.
Blown-out eraser
lamp [board KP-
1067].
Defective CPU U1
on the engine
board.
Improper connec-
tor insertion to the
eraser lamp
[board KP-1067].
Follow the flow chart below.
5300
Remove and check
harness (S02407)
between engine board
(KP-1081) and sensor
board (KP-1077).
Yes
Yes
Yes
Yes
No
No
No
No
Replace sensor board (KP-
1077) and linked harness
(S02407).
Approximately
14 to 15.5 V DC?
Approximately
24 V DC?
Remove and check
harness (S02412)
between drum board
(KP-1064) and eraser
lamp [board KP-1067].
Check deformation pins
of connector YC702 on
sensor board.
Yes
Yes
No
No
Replace harness (S02412)
between drum board (KP-
1064) and eraser lamp [board
KP-1067].
OK?
OK?
START
Turn power switch on
and print status page.
Turn power switch off.
Measure voltage #1 pin
(ERASEDR*) pins of
connector YC701 on
sensor board (KP-1077).
Remedy pins or replace
sensor board (KP-1077).
See page 1-6-24.
Replace engine board
(KP-1081. See page 1-
6-20.
Replace sensor board
(KP-1077). See page 1-
6-24.
Replace drum unit.
See page 5-12.
Deformed ?
Engine board (KP-1081)
Sensor board (KP-1077)
Drum unit
Approximately
0 V DC?
Replace drum unit.
See page 1-6-10.
NOTE:
If the problem is not solved by
this flow chart replace the
following items:
Содержание DISCOVER FS-3830N
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