Xerox DocuMate 4790 User Manual page 172

Scanner Options, Maintenance and Troubleshooting
If you are unable to resolve the issue using the troubleshooting steps in this table, please refer to the section
Troubleshooting on page 176.
Error
Code Message
U11 - Paper Jam and Paper
U18 Remains in Scanner
errors.
U20 A skew error has
occurred.
U23 A paper double feed
has occurred.
U24 - A stapled document
U26 has been detected.
U30 - A cover is open.
U34
Fxx System error occurred.
9-164 ®
Xerox DocuMate
User's Guide
Cause
Paper has jammed while
being fed through the
scanner.
Document sensors are
dirty.
A page was pulled into
the scanner at an angle.
Two pages have fed
through the scanner at
the same time.
Either the page bent
when it was picked up
from the input tray, or
the page skewed greatly
as it was pulled into the
scanner.
A scanner access cover is
open.
An unknown system
error has occurred.
®
4790
Resolution
Open the scanner, remove the pages, then
close the scanner. Please see page 175 for
complete instructions.
If problem persists, clean the rollers and paper
sensors as described in the section
the Inside of the Scanner
Open the scanner, remove the pages, then
close the scanner. Adjust the paper guides to
the document width. Restack the paper in the
ADF and click Retry to continue.
If problem persists, clean the rollers and paper
sensors as described in the section
the Inside of the Scanner
Open the scanner, remove the pages, then
close the scanner. Make sure there are no
pages stuck together. Restack the paper in the
ADF and click Retry to continue.
If problem persists, clean the rollers and paper
sensors as described in the section
the Inside of the Scanner
Open the scanner, remove the pages, then
close the scanner. Check all documents and
remove any staples. Restack the paper in the
ADF and click Retry to continue
Verify all covers on the scanner are fully closed
before scanning.
Reset the scanner and computer:
1. Turn off the scanner power.
2. Unplug the USB cable and power
from the scanner.
3. Reboot (restart) the computer.
4. Plug the USB cable and power cable
back into the scanner.
5. Turn the scanner back on.
If you are still unable to scan, contact Xerox
Technical Support. Please refer to the Technical
Support Card you received with the scanner for
contact information.
Cleaning
on page 170.
Cleaning
on page 170.
Cleaning
on page 170.