pg. 128
Large color displacement suddenly occurs in the horizontal scanning direction
Description
Large color displacement suddenly occurred in the horizontal scanning direction on several sheets among
dozens or hundreds of printouts.
The symptom randomly occurred on 2nd to 5th sheets as shown in [a] and on 6th to 9th sheets as shown in
[b] at the time of continuous printing.
Cause
ITB displacement control became unstable due to meandering ITB etc., which caused color displacement.
[Reference] Color displacement may also occur because of changes in outside air temperature/ temperature
increase inside machine/ machine relocation.
Field Remedy
Assuming that the previous measure against mottled blank on image (thin ITB/ increased ITB tension /
decreased primary transfer roller pressure) has been already implemented and the system software has
been upgraded to ver. 70.09 (DCON ver.66.05) or later, attach and detach the ITB unit by following the steps
below.
1) Turn OFF the main power switch.
2) Open the front cover.
3) Remove the 1 screw [2], and detach the ITB inner middle cover [1] while letting the 2 hooks [3] escape.
4) Turn the ITB pressure release lever [1] in the direction of the arrow to release the pressure.
Содержание imageRUNNER ADVANCE C5000 Series
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Страница 3: ...1 Symptoms Solutions For the imageRUNNER ADVANCE C9075 C7065 Series ...
Страница 49: ...47 b 23 Remove the 2 screws 1 1 stepped screw 2 and 1 hook 3 to detach the hopper unit Bk 4 ...