Troubleshooting
Phaser 7500 Color Printer
User Guide
133
Troubleshooting Print-Quality Problems
• Nothing Prints or Black Spots Print on Page on page 133
• Entire Page Prints Black or Color on page 134
• Image Prints Too Light on page 134
• Image Prints Too Dark on page 135
• Image is Blurred or Stained on page 135
• Print Density is Uneven on page 136
• Print is Irregular or Mottled on page 137
• Ink Rubs Off After Printing on page 138
• Toner Smudges and Residual Images Print on page 138
• Toner Smudges Appear on the Back of the Page on page 139
• White or Black Areas Print in Regular Pattern on page 140
• Image Prints with Defects on page 140
• Lateral Lines or Bands Print on Image on page 141
• Colors Look Wrong on page 141
• Colors Do Not Register Properly on page 141
• Colors Reproduce Poorly on page 142
Nothing Prints or Black Spots Print on Page
Probable Causes Solutions
One or more of the imaging units may be defective. Remove the imaging units one at a time, and check
for damage. If it is damaged, replace it.
The printer driver is not set correctly. Select the proper setting in the printer driver to switch
from transparencies to plain paper.
The media is moist from humidity. Adjust the humidity for media storage. Remove the
moist media and replace it with new, dry media.
The media set in the printer driver mismatches the
media loaded in the printer.
Load the correct media in the printer.
Several sheets are being fed at the same time. Remove the media from the tray and check for static
electricity. Fan plain paper or other media (but not
transparencies), and replace it in the tray.
Media is not set properly in the tray(s). Remove the media, tap it to straighten it out, return it
into the tray, and realign the media guides.
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