Xerox Nuvera 100, Service Manual

Page: 129 / 304

Troubleshooting 3-29
2. White or dark lines parallel to the long edge of the print,
spaced 1.4 mm (0.054 in) in solid fills, using High Resolution
Medical printing mode indicate the x-axis step accuracy is
incorrect. Ensure the long spring mounted underneath the
printhead is intact and not contaminated with ink; remove the
maintenance drawer to access the underside of the printhead.
Inspect the x-axis drive system; replace it if necessary.
Banding Parallel To Long Edge Of Print
Fills are inconsistent with wide bands of varying density.
1. The head-to-drum gap is too great. Perform the procedure,
“Printhead-To-Drum Spacing Adjustment.”
2. If the problem persists, replace the printhead.
Wrinkling
1. Try different media from a sealed package. In high-humidity
environments, paper left exposed (unpacked) absorbs moisture
and begins to warp.
2. Ensure the deskew fingers inside the front cover are not
damaged or missing.
3. Inspect the maintenance drawer wiper blade. Replace the
maintenance drawer, if necessary.
4. The transfix spring pressure is incorrect. Perform the
procedure “Transfix Roller Pressure Spring Adjustment”.
5. Replace the drum/transfix assembly.
Image Is Offset Or Cut Off
1. Check the application for the correct image sizing and
orientation.
2. Ensure that Letter or A4 is the selected paper size.