Xerox Documate 6440 User Guide

Xerox® DocuMate® 6440 Maintenance
36User Guide
2. Open the Automatic Document Feeder cover.
3. Wipe clean the rollers and glass in the scanner body. Rotate the rollers to clean the entire 
surface.
4. Wipe clean the rollers and glass in the underside of the ADF door. Rotate the rollers to clean 
the entire surface.
5. Using a clean, dry cotton swab, brush away any dust on the double feed detection sensors. 

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6. Close the scanner when you’re finished.
Replacing the Separation Roller
The roller will wear out and is designed to be a user-replaceable part. A worn roller can cause 
documents to feed in skewed at an angle, or multiple pages to feed at the same time. Before 
replacing the roller you should clean it as excessive dust on the roller will make it appear worn and 
smooth. You cannot properly diagnose a worn roller until you have cleaned it. You should...

Xerox® DocuMate® 6440 Maintenance
38User Guide
3. Pinch the sides of the roller cover and pull it down to access the roller.
4. Carefully angle the roller up and out of the scanner.
5. Remove the replaceable roller from the bar.
6. Discard the roller, it cannot be repaired or reused.
7. Take the new roller out of its packaging. Clean any dust off the roller before installing it. 
8. Slide the new roller onto the bar. Make sure the struts on the bar line up to the slots in the end 
of the roller.
9....

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10. Lift the roller cover and carefully push it closed to lock it in place. Make sure everything is 
aligned properly and the cover is fully closed. If the cover is not fully closed it will break during 
scanning and damage the scanner.
11. Close the scanner when you’re finished.
Replacing the Feed Roller
The roller will wear out and is designed to be a user-replaceable part. A worn roller can cause 
documents to feed in skewed at an angle, or multiple pages...

Xerox® DocuMate® 6440 Maintenance
40User Guide
2. Locate the roller cover in the body of the scanner.
3. Move the paper guides to the side and then pull the feed roller cover away from the scanner. 
Note: if the paper guides are in front of the roller cover when you open it, they will 
automatically release from the scanner body. If this happens, follow the instructions on 
page 33 for resetting the guides in the scanner.
4. The lower roller is held in place with a lock tab that rotates to lock and...

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5. Carefully angle the roller up and out of the scanner and then discard it, it cannot be repaired.
6. Take the new roller out of its packaging. Clean any dust off the roller before installing it. 
7. Insert the left end of the new roller assembly into the hole in the roller channel. Angle the 
roller module into the roller channel. Align the tab on the lock flange with the slot in the 
scanner. 
Make sure the belt on the roller is facing you and that the...

Xerox® DocuMate® 6440 Maintenance
42User Guide
10. Make sure the paper guides are properly seated in the scanner.
11. Close the scanner when you’re finished.
Troubleshooting
Problem: The scanner won’t scan. What’s wrong? 
Check for one of these possible causes:
•Are the cables loose or not plugged in securely? Inspect the cable connections. Make sure 
the cables are plugged in securely.
•Is the scanner’s status light on? Turn on the scanner’s power. If the status light doesn’t 
come on, plug the power...

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Problem: Why does my scanner not function after performing a system restore on Windows?
The system restore process may have corrupted some of the driver components. It is 
recommended that you reinstall your scanner driver. Please refer to “Uninstalling Your Scanner” on 
page 45 for installation instructions.
Problem: Why won’t my scanner buttons work after scanning with Windows Image Acquisition 
(WIA)?
After performing a scan using the WIA interface you...

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Problem: If the USB cable is disconnected during a scan, the scanner does not reconnect when 
the USB cable is plugged back in.
Unplug the power cable from the scanner, and then plug it back in.
If the scanner does not reconnect:
1. Unplug the power cable from the scanner.
2. Restart your computer.
3. After the restart is complete, plug the power cable back in.
Problem: The scanner reports a Double Feed error when there is only one page in the scanner.
Try...

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Uninstalling Your Scanner
Use the options in the Windows Control Panel to remove the scanner driver and modules, and any 
other software provided with the scanner.
Please leave the scanner’s USB cable plugged into the computer while uninstalling the scanner 
driver. Unplug the USB cable when directed to do so in the instructions below.
Open the list of installed programs in the Windows Control panel.
• Windows XP: Open Add/Remove Programs
• Windows Vista and...