For detailed troubleshooting information, refer to the printer's CD-ROM or the Xerox Color Printer Knowledge Base web site:

www2.tek.com/TekSMART/

If you notice a problem with the quality of your prints, the probable solution is replacing one of the supplies. Keep in mind this basic guideline:

• If the symptom appears in a single color:
  Replace the Toner Cartridge.
• If the symptom appears in all colors:
  Replace the Imaging Unit, or Fuser, or Fuser Roll, or Main Charge Grid, or Transfer Kit.

To diagnose the problem, check these items:

1. Check the front panel for messages on replacing supplies.
2. From the Help menu, scroll to Supplies Information, press OK and print the Supplies Page. Use it to diagnose and correct problems. The Supplies Page contains useful information, such as the remaining life for supplies.
3. From the front panel Help menu, scroll to Print Quality, press Menu, scroll to Help Pages, press Menu, and print Diagnostic Test Pages. (This includes five color pages and one instruction page.) Examine the prints for symptoms.

Symptom: Problem in one color only

• 1 color has many vertical streaks.
• 1 color has a light vertical streak.
• 1 color is light or faded.

Solution:

1. Adjust the color density.
1. Press Help, and scroll to Print Quality, press Menu, scroll to Calibrate Colors. Press Menu, scroll to Adjust Each Color. Press Menu.
2. Adjust the density of the color that has problems.
2. Replace the Toner Cartridge of the color that has problems.

Symptom: Problem in all four colors

• Streak through all 4 colors.
• Spot in the same place on the page in all 4 colors.
• Random spots appear on every page.

Solution:

1. The choice of media; check the following:
1. Use Xerox media.
2. Use the correct media tray for the media you are using.
3. When using the Multi-Purpose Tray, select the correct media in the front panel.
2. Run Clean for Smudges. Press Help, scroll to Print Quality. Press Menu, scroll to Clean for Smudges. Press Ok and press Confirm.
3. Print about 25 blank pages until the problem disappears.
4. Replace Imaging Unit, or Fuser, or Fuser Roll.

Symptom: All four colors are solid black

Prints are black (edge to edge).

Solution:

Remove then re-insert the Main Charge Grid. If problem persists, replace the Main Charge Grid.

Symptom: All four colors are extremely faded

Solution:

1. Choice of media; check the following:
• Use Xerox media.
• Use the correct media tray for the media you are using.
• When using the Multi-Purpose Tray, select the correct media in the front panel.
2. Relative humidity may be too low (below 30 percent relative humidity).
3. Refer to Calibrate for Paper in the printer's front panel and run this mode:
• Press Help, scroll to Print Quality, press Menu, scroll to Calibrate for Paper, press Menu, print the references pages. Follow the instructions on these pages and adjust the transfer setting.
4. Replace imaging unit or transfer kit.

Symptom: Pieces of print image missing all four colors

1. Pieces of the printed image are missing and reappear out of place, approximately 129 mm (5 in.) down the page.
2. Media frequently wraps around the Fuser (Jam at C).

Solution:

1. Choice of media; check the following:
• Use appropriate media in the correct tray location; refer to Paper and Transparency Trays through Printing on Xerox Color Laser Labels.
• Print 10-20 blank pages of plain paper.
• To avoid jams with Xerox Transparencies, make sure that the logo strip is loaded face-down for the Multi-Purpose Tray and face-up for the Transparency tray.
2. If Jam at C, clear the media jam and run the front panel's Clean for Smudges cleaning routine (5 blank pages will print to clean the roller). Press OK and then press Confirm.
3. Replace Fuser.