2NC/2NF/2NG/2NN/3P7/3P8/3P9
1-4-44
2. DP-scanning
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 1-3-75)
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
Installing DP
Check whether the DP frame is
distorted or the hinges are dam-
aged.
Replace the DP.
7
FFC cable CIS
Check the FFC cable between
the CIS and main/engine 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
CIS assembly
Check the location the CIS
assembly is mounted.
Re-mount the CIS assembly if it is hanged off.
9
CIS
The CIS is defective.
Replace the CIS and perform U411.
(see page 1-3-75)
10
Main/Engine PWB
The main/engine PWB is defec-
tive.
Replace the main/engine PWB.(see page 2-2-
11)
Summary of Contents for DP-480
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Page 455: ...Installation Guide DP 480 Document processor Installation Guide ...
Page 458: ...2 3 4 5 6 A ...
Page 459: ...3 7 8 9 B C C ...
Page 460: ...4 10 ...
Page 473: ...PF 480 300 sheet Paper feeder Installation Guide ...
Page 476: ...2 5 6 4 3 B M3x8 B M3x8 B M3x8 B M3x8 1 2 ...
Page 477: ...3 9 10 8 7 1 2 ...
Page 478: ...4 13 12 11 1 2 C ...
Page 479: ...5 15 14 E D D E D D E D D E D D ...
Page 482: ...DU 480 duplex unit Installation Guide ...
Page 484: ...1 2 3 1 A B M3x8 ...
Page 485: ...2 6 7 5 4 A A B M3x8 ...
Page 489: ...IB 33 Network interface kit Installation Guide ...
Page 490: ...2 3 1 IB 33 2013 7 303PB56710 01 A B ...
Page 491: ...6 7 5 4 2013 7 303PB56710 01 B YC2007 A ...
Page 492: ...FAX System X Installation Guide ...
Page 495: ...2 5 4 3 2 B M3x8 A YC 2003 ...
Page 496: ...3 8 9 7 6 C G G 8 9 7 6 C ...
Page 497: ...4 11 10 12 13 D D E ...
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