Xerox Phaser 7500DT User Manual

Troubleshooting
Phaser 7500 Color Printer
User Guide131
Print-Quality Problems
This section includes:
•Using Built-in Troubleshooting Tools on page 131
•Troubleshooting Print-Quality Problems on page 133
Your Phaser 7500 printer is designed to produce consistently high quality prints. If you observe 
print-quality problems, use the information on these pages to troubleshoot the problem. For more 
information, go online to Xerox Support & Drivers at www.xerox.com/office/7500support.
Caution:The Xerox...

Troubleshooting
Phaser 7500 Color Printer
User Guide 132
Calibrating the Paper Type
1. Press the Down Arrow button.
2. Select Tro u b l e s h o o t i n g > Print Quality Problems > Calibrate for Paper.
3. Press the OK button to print.
Adjusting the Print Margins
1. Press the Down Arrow button.
2. Select Tro u b l e s h o o t i n g > Print Quality Problems > Calibrate Margins.
3. Press the OK button to print.
Selecting Paper Type
For information on supported paper type and weight:
1. Press the Down Arrow...

Troubleshooting
Phaser 7500 Color Printer
User Guide133
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...

Troubleshooting
Phaser 7500 Color Printer
User Guide 134
Entire Page Prints Black or Color
Image Prints Too Light
Probable CausesSolutions
One or more of the the imaging units may be 
defective.Remove the imaging units one at a time, and check 
for damage. If it is damaged, replace it.
Probable CausesSolutions
The density is too light.Select a darker copy density.
The paper is moist from humidity.Remove the paper and try a fresh ream.
Media type is set incorrectly.When printing envelopes, labels,...

Troubleshooting
Phaser 7500 Color Printer
User Guide135
Image Prints Too Dark
Image is Blurred or Stained
Probable CausesSolutions
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.
One or more of the toner cartridges may be defective.Remove the toner cartridges and check each for 
damage. If it is damaged, replace it. 
The printer needs to be calibrated.Perform the color calibration procedure. For more...

Troubleshooting
Phaser 7500 Color Printer
User Guide 136
Print Density is Uneven
Probable CausesSolutions
One or more of the toner cartridges may be defective 
or low.Remove the toner cartridges and check for damage. 
If it is damaged, replace it.
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 is not level.Place the printer on a flat, hard, level surface.
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Troubleshooting
Phaser 7500 Color Printer
User Guide137
Print is Irregular or Mottled
Probable CausesSolutions
The media is moist from humidity.Remove the moist media and replace it with new, dry 
media.
Unsupported media (wrong size, thickness, type, etc.) 
is being used.Use Xerox-approved media. See Supported Media on 
page 55.
One or more of the toner cartridges may be defective.Remove the toner cartridges and check each for 
damage. If it is damaged, replace it.
One or more of the imaging units may...

Troubleshooting
Phaser 7500 Color Printer
User Guide 138
Ink Rubs Off After Printing
Toner Smudges and Residual Images Print
Probable CausesSolutions
The media is moist from humidity.Remove the moist media and replace it with new, dry 
media.
Unsupported media (wrong size, thickness, type, etc.) 
is being used.Use Xerox-approved media. See Supported Media on 
page 55.
Media type is set incorrectly.When printing envelopes, labels, heavyweight stock, 
or transparencies, specify the appropriate media type...

Troubleshooting
Phaser 7500 Color Printer
User Guide139
Toner Smudges Appear on the Back of the Page
Probable CausesSolutions
The media transfer roller is dirty.Check the transfer roller for toner accumulation. 
Replace if necessary.
The media path is dirty with toner.Print several blank sheets and the excess toner should 
disappear.
Foreign material has entered the printer.Check the transfer belt for foreign material or 
damage.
Check the fuser for foreign material.
One or more of the imaging units may...

Troubleshooting
Phaser 7500 Color Printer
User Guide 140
White or Black Areas Print in Regular Pattern
Image Prints with Defects
Probable CausesSolutions
Foreign material in the paper path.Inspect the paper path and remove any foreign 
material.
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.
Probable CausesSolutions
A toner cartridge may be defective.Remove the toner cartridge with the color causing the...