Kyocera TASKalfa 5551ci - Image Formation: Vertical White Streaks

2L6/2N6/2N5/2N4
1-4-216
(4) The background is colored.
1. Table scanning
Print example
Defective part Check description Corrective Action
1
Original document 1. Check if the background
density of the original
document is too dense.
2. Check if the original
document is floated during
scanning.
1. If the background density of the original
document is too dense, perform automatic
background adjustment.Or, adjust density
with background adjustment.
2. If the original document is floated during
scanning, press down the original
document.
2
Adjustment of the
scanner
Check the automatic adjustment
of the scanner.
Perform maintenance mode U411,
table(Chart1)_All.
(see page 1-3-173)
3
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.
4
Contact glass assy
Check the location the contact
glass is mounted.
Re-mount the contact glass if it is hanged off.
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
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.
7
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.
8
Lamp unit Check the location the lamp unit
is mounted.
Re-mount the lamp unit if it is hanged off.
9
LED PWB Check that the LED is lit. If the LED is not lit, replace the LED PWB and
perform U411.
10
ISC PWB The ISC PWB is defective. replace the ISC PWB and perform U411.
(see page 1-3-173)
11
CCD PWB The CCD PWB is defective. Replace the ISU and perform U411.
(see page 1-3-173)