Dadf Image-Quality Problems; Dark Streaks On The Copied Image - Xerox WorkCentre C2424DX Service Manual

DADF Image-Quality Problems

Dark Streaks on the Copied Image

Step Questions and Actions
Reseat all connections to the DADF and
1 1.
scanner assembly.
Copy another page.
2.
Did this correct the problem?
3.
Open the DADF front cover and visually
2 1.
inspect the ribs for ink build-up.
Clean the inside of the DADF front cover,
2.
including the ribs, rollers and separator pad.
Did this correct the problem?
3.
Check for ink build-up on the CVT window.
3 1.
Clean the CVT window, see page 7-6.
2.
Did this correct the problem?
3.
Perform the "Manual DADF to Scanner
4 1.
Calibration" on page 6-9.
Did this correct the problem?
2.
Replace the document feeder.
5 1.
Did this correct the problem?
2.
Voids in the Copied Image
Step Questions and Actions
Does the void run along the entire length of
1 1.
one side of the image?
Open the document feeder and ensure the
2 1.
automatic calibration strip fully extends, the
lamp should be completely covered by the
strip.
Place a piece of paper over the top, right
2.
side of the platen, covering the small photo
recepter to simulate the document feeder is
closed.
Select 2-sided copy on the control panel and
3.
feed paper through the document feeder.
Does the strip extend and retract properly?
4.
Check and remove any paper debris
3 1.
obstructing the DADF lamp.
Did this correct the problem?
2.
5-4
Yes
Complete.
Complete.
Complete.
Complete.
Complete.
Yes
Go to Step 2.
Go to Step 3.
Complete.
WorkCentre C2424 Service Manual
No
Go to Step 2.
Go to Step 3.
Go to Step 4.
Go to Step 5.
Replace the
scanner
assembly.
No
Go to Step 3.
Replace the
document
feeder.
Replace the
document
feeder.