Xerox Documate 4790 User Guide

Scanner Options, Maintenance and Troubleshooting
Xerox
® DocuMate® 4790
User’s Guide9-183
Cleaning the ADF Sensors
1. Pull on the scanner cover release and lift the lid to open the scanner.
2. The following illustration shows the location of the sensors in the scanner.  

Scanner Options, Maintenance and Troubleshooting
Xerox
® DocuMate® 4790
User’s Guide 9-184 3. Point the tip of the blower at the sensor and squeeze the blower to direct a puff of air at the sensor head to 
remove dust.
Do this for each sensor in the scanner.
Clearing Paper Jams
If your scanner stops scanning due to a paper jam in the Automatic Document Feeder, use the following 
procedure to remove the paper from the scanner.
1. Pull on the scanner cover release and lift the lid to open the scanner.
Do...

Scanner Options, Maintenance and Troubleshooting
Xerox
® DocuMate® 4790
User’s Guide9-185 2. Remove the jammed page from the scanner.
3. Close the ADF door and continue scanning.
To reduce the number of paper jams, smooth and straighten the paper before scanning and adjust the paper 
guides to the paper size.
Troubleshooting
Problem: The scanner won’t scan. What’s wrong? 
Check for one of these possible problems:
•Are the cables loose or not plugged in securely? Inspect the cable connections. Make sure...

Scanner Options, Maintenance and Troubleshooting
Xerox
® DocuMate® 4790
User’s Guide 9-186 Problem: I got an “SVS001” error when installing Kofax VRS. What do I do?
The message “SVS001: The VRS installation does not install an ISIS driver for the scanner you selected. Please 
install the ISIS driver packaged with your scanner.” is not an error message. Please click on OK to finish the 
installation. 
This is a message informing you that the software does not install an ISIS driver. This is the correct...

Scanner Options, Maintenance and Troubleshooting
Xerox
® DocuMate® 4790
User’s Guide9-187 Problem: I have selected "Skip Blank Originals" but not all of the blank pages have been removed. Why are 
there still blank pages in the file? 
If you are scanning light weight paper, such as 16lb or 18lb printer paper, the scanner may be picking up faint 
images through the paper and the driver will not drop those pages out of the final file. The "Skip Blank Originals" 
result will vary based on...

Scanner Options, Maintenance and Troubleshooting
Xerox
® DocuMate® 4790
User’s Guide 9-188 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 later: Open Programs and Features
Uninstalling the scanner driver:
1. In the list of installed programs click on Xerox...

Scanner Options, Maintenance and Troubleshooting
Xerox
® DocuMate® 4790
User’s Guide9-189
Xerox DocuMate 4790 Specifications
Optical resolution600 dpi
Bit depth24-bit color, 8-bit grayscale, 1-bit bitonal (black & white)
Scan methodDuplex Automatic Document Feeder (ADF)
ADF specifications
Maximum item size 12" x 100" (305 mm x 2540 mm)
Minimum item size 1.9" x 2.8" (48 mm x 71 mm)
Scanning Speed Portrait
- 70 pages per minute / 140 images per minute @ 200 dpi
Landscape
- 90 pages per...

Scanner Options, Maintenance and Troubleshooting
Xerox
® DocuMate® 4790
User’s Guide 9-190
Xerox DocuMate 4790 Scanner Parts List
Please use the following part names and numbers when ordering replacements for your scanner.
Part NamePart Number
Roller Exchange Kit
• Double Feed 
Prevention Roller
• Feed Roller Module70-0565-000
USB Cable 35-0113-000
Power Cord 35-0233-000 (U.S.)
35-0235-000 (EUR)
35-0236-000 (U.K.)
Blower Brush 57-0122-000
Roller Cleaning Paper 05-0722-000
Shading Paper 05-0724-000...

Xerox® DocuMate® 4790
User’s GuideA-
191
ARegulatory Information
Basic Regulations
United States (FCC Regulations)
This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 
15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference 
when the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate 
radio frequency energy and, if not installed and used in...

Regulatory Information
Xerox
® DocuMate® 4790
User’s Guide A-
192 A full declaration of conformity, defining the relevant directives and referenced standards, can be obtained from 
your Xerox Limited representative or by contacting:
Environment, Heath and Safety
The Document Company Xerox
Bessemer Road
We l w y n  Ga rde n C i t y
Herts
AL7 1HE
England, Telephone +44 (0) 1707 353434
Other Regulations
Turkey (RoHS Regulation)
In compliance with Article 7 (d) We hereby certify “It is in compliance with the...