2L6/2N6/2N5/2N4
1-4-215
4
Contact glass Check whether the contact glass
is dirty.
If the contact glass is dirty, clean the contact
glass, and the bottom part of the shading plate.
5
Home position
sensor
Check the location the home
position sensor is mounted.
Re-mount the home position sensor if it is
hanged off.
6
Scanning position
of the DP
Check whether the scanning
position of the DP is wrong.
If the scanning position of the DP is shifted,
perform maintenance mode U068, DP
Read.(see page 1-3-60)
7
FFC cable CCD Check the FFC cable between
the CCD sensor and ISC PWB is
properly connected. Or, verify
conduction of the wire.
Reinsert the connector if its connection is
loose. Or, if conduction is lot, replace the wire.
8
FFC cable LED Check the FFC cable between
the LED PWB and ISC PWB is
properly connected. Or, verify
conduction of the wire.
Reinsert the connector if its connection is
loose. Or, if conduction is lot, replace the wire.
9
Lamp unit Check the location the lamp unit
is mounted.
Re-mount the lamp unit if it is hanged off.
10
LED PWB Check that the LED is lit. If the LED is not lit, replace the LED PWB and
perform U411.
11
ISC PWB The ISC PWB is defective. Replace the ISC PWB and perform U411.
(see page 1-3-173)
12
CCD PWB The CCD PWB is defective. Replace the ISU and perform U411.
(see page 1-3-173)
13
Main PWB The main PWB is defective. Replace the main PWB.(see page 1-5-72)
Defective part Check description Corrective Action
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