Xerox Xerox DocuMate 4790 User Manual - page 181
Scanner Options, Maintenance and Troubleshooting
Xerox
®
DocuMate
®
4790
User’s Guide
9-173
2.
The following illustration shows the location of the glass and background plates in the top and bottom of the
scanner. The background plates are rollers that you can rotate to change from black to white. While cleaning
the background plates, rotate the bars to clean the entire surface.
3.
Use a soft cloth to wipe off the scanner glass and background plates. If there is sticky residue on either
surface you can use the roller cleaning paper to remove it.
Cleaning the Paper Sensors
The scanner has several sensors to detect the status of the paper when it is in the scanner. You should clean these
sensors as part of your standard weekly maintenance of the scanner.
Note: Do not clean the sensors with the roller cleaning paper.
Preparation
•
Turn off the scanner prior to cleaning the sensors.
•
Locate the Blower Brush accessory that was provided with your scanner, this is what you will use to clean the
sensors.