Utax P-4030 MFP, Service Manual

Page: 216 / 488

2NM/2NX/2NY/2NZ/2P0/2P6
1-4-51
(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 1-3-54)
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 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 and control 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
Lamp unit
Check the location the lamp unit
is mounted.
Re-mount the lamp unit if it is hanged off.
8
LED PWB
Check that the LED is lit. If the LED is not lit, replace the ISU and
perform U411.
9
CCD PWB CCD PWB is defective. Replace the ISU and perform U411.
10
Control PWB The control PWB is defective. Replace the control PWB.(see page 2-2-12)