5-4 Phaser 7750 Printer Service Manual
Paper and Paper Trays
Potential Defects (all colors):
■ Mottled Image (low quality or damp paper)
■ Creases and folds
Front Panel Test Prints
A variety of test prints are available from the front panel’s Troubleshooting Menu to
aid in determining the quality of output from the printer and to assist in
troubleshooting problems. This section shows how to select and analyze all test prints
available to the Phaser 7750 printer.
Troubleshooting Print-Quality Page
Selecting the “Troubleshooting Print-Quality Page” causes a tutorial to be printed that
provides tips on diagnosing print-quality problems. The tutorial contains examples of
various faults that may be encountered and also contains examples of the various
color test pages, solid fill pages, and test pattern page.
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