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click pdf---
[ATTACH]22624[/ATTACH]
The ITB home position is determined by detecting the reflecting surface on the edge of the ITB with the ITB HP lower sensor (PS101) or the ITB upper sensor (PS102) as shown in the diagram below. This is a white reflecting surface that resides on the rear underneath the ITB belt which obviously can get dirty in time. If this reflective surface is dirty, it can miscalculate the ITB home position and therefore affect the lead edge registration. Clean this reflective surface and the ITB home position sensor mentioned here.
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Registration is Shifting in the Lead to Trail edge Direction
The magenta patch is placed on the ITB belt ahead of the image to be transferred. The patch is read by PS110, the Lead Edge detection Sensor so that it can align the paper to the image on the ITB. The Lead Edge Detection Sensor is covered by a shutter. UN219 drives the Leading Edge Patch Detecting Shutter.
Check PS110 to make sure it is clean and that the shutter is opening all the way. In this case, replacing PS110 the Lead Edge Detection Sensor and UN219 can resolve the issue.
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On system software version 10.15 for the imagePRESS C7000VP Series, a new service mode was introduced that can assist in image quality issues to determine whether the problem is coming from the image process unit or the laser. The following service mode setting COPIER > FUNCTION > MISC-P > GRID-ADJ will print out a 4 color grid on one 11X17 sheet. This test page is executed via analog development which means it does not use the lasers. This is a convenient tool to determine if the image quality issue at hand is caused by development or it is a laser problem. Below is a sample of the grid that prints on the 11X17 showing bands of all 4 colors on a single 11X17.
Note: You must set Drawer 1 to 11X17 and assign the paper type PLAIN Paper or else an NG will display.
click pdf---
[ATTACH]22624[/ATTACH]
The ITB home position is determined by detecting the reflecting surface on the edge of the ITB with the ITB HP lower sensor (PS101) or the ITB upper sensor (PS102) as shown in the diagram below. This is a white reflecting surface that resides on the rear underneath the ITB belt which obviously can get dirty in time. If this reflective surface is dirty, it can miscalculate the ITB home position and therefore affect the lead edge registration. Clean this reflective surface and the ITB home position sensor mentioned here.
-------------------------------------------
Registration is Shifting in the Lead to Trail edge Direction
The magenta patch is placed on the ITB belt ahead of the image to be transferred. The patch is read by PS110, the Lead Edge detection Sensor so that it can align the paper to the image on the ITB. The Lead Edge Detection Sensor is covered by a shutter. UN219 drives the Leading Edge Patch Detecting Shutter. Check PS110 to make sure it is clean and that the shutter is opening all the way. In this case, replacing PS110 the Lead Edge Detection Sensor and UN219 can resolve the issue.
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On system software version 10.15 for the imagePRESS C7000VP Series, a new service mode was introduced that can assist in image quality issues to determine whether the problem is coming from the image process unit or the laser. The following service mode setting COPIER > FUNCTION > MISC-P > GRID-ADJ will print out a 4 color grid on one 11X17 sheet. This test page is executed via analog development which means it does not use the lasers. This is a convenient tool to determine if the image quality issue at hand is caused by development or it is a laser problem. Below is a sample of the grid that prints on the 11X17 showing bands of all 4 colors on a single 11X17.
Note: You must set Drawer 1 to 11X17 and assign the paper type PLAIN Paper or else an NG will display.
ok muchas gracias por su tiempo....... all right!
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