Print-Quality Problems Overview - Xerox Phaser 6115MFP Service Manual

Print-Quality Troubleshooting

Print-Quality Problems Overview

5-2
Print-quality defects can be attributed to printer components, consumables,
media, internal software, external software applications, and environmental
conditions. To successfully troubleshoot print-quality problems, eliminate as
many variables as possible. The first step is to generate prints using printable
pages embedded in the printer on laser paper from the supported media list.
Use paper from a fresh ream that is acclimated to room temperature and
humidity.
See "Product Specifications" on page 1-6 or the Paper Tips page for media
that has been tested and approved for use in Phaser 6115 printers. If the
print-quality defect is still present when printing on approved media from an
unopened ream, then investigate software applications and environmental
conditions.
Note
There is a Control Panel command which obtains environmental
temperature and humidity levels. However, this command is for internal
use only and not available from the service menus.
Phaser 6115 printers use separate Developer Assemblies to develop a latent
image for each color on the Imaging Unit where the colors are combined to
form the final image. In most cases, print-quality defects are the result of one
particular component in the print engine.
When analyzing a print-quality defect, first determine if the defect occurs in all
colors or only one color and if it is repeating or random. Continuous defects in
the process direction, such as voids and lines, are the most difficult to
diagnose. Inspect the visible surfaces of all rollers for obvious defects. If no
defects are observed, replace the Imaging Unit, Developer Assembly, Transfer
Roller, and Fusing Unit one at a time until the defect is eliminated.
Phaser 6115MFP Multifunction Product Service Manual