Kyocera TASKalfa 5551ci - No Image Appears (Entirely Black)

2L6/2N6/2N5/2N4
1-4-210
(2) No image appears (entirely black).
1. Table scanning
2. DP-scanning first (front) page
Print example
Defective part Check description Corrective Action
1
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 it its connection is
loose. Or, if conduction is lot, replace the wire.
2
SATA cable ISC
Check the SATA cable between
the ISC PWB and main PWB is
properly connected. Or, verify
conduction of the wire.
Reinsert the connector if it its connection is
loose. Or, if conduction is lot, replace the wire.
3
CCD PWB The CCD PWB is defective. Replace the ISU PWB and perform U411.
(see page 1-3-173)
4
ISC PWB The ISC PWB is defective. replace the ISC PWB and perform U411.
(see page 1-3-173)
5
Main PWB The main PWB is defective. Replace the main PWB.(see page 1-5-72)
Defective part Check description Corrective Action
1
Scanning position
of the DP
Confirm the value using mainte-
nance mode U068, DP Read.
If a large value is observed in maintenance
mode U068, DP Read, perform
adjustment.(see page 1-3-60)
2
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.
3
SATA cable ISC
Check the SATA cable between
the ISC PWB and main 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.
4
CCD PWB The CCD PWB is defective. Replace the ISU and perform U411.
(see page 1-3-173)
5
ISC PWB The ISC PWB is defective. replace the ISC PWB and perform U411.
(see page 1-3-173)