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|Troubleshooting
Vertical Blanks
Mottle
Problem Action
The printout has vertical
blanks.
1 Clean inside the printer by using the cleaning rod. See
"
Cleaning the
LED Print Head.
"
a After the cleaning is completed, press the (Information)
button.
bTap the Information tab Report / List Color Test
Page for verification.
If the problem persists, proceed to step 2.
2 Check if the light path is not covered.
a Remove the drum cartridges, and then keep them in the dark
place. See "Replacing the Drum Cartridges."
bCheck the light path, and then remove the shielding.
c Re-install the drum cartridges. See "Installing a Drum Cartridge."
dStart the Tool Box on Dell Printer Hub or Dell Printer Management
Tool, and then click Chart Print on the Diagnosis tab.
NOTE:
• For details about how to start the Tool Box, see "Tool
Box."
eClick Pitch Configuration Chart for verification.
If the problem persists, proceed to step 3.
3 Replace the drum cartridges. See "Replacing the Drum Cartridges."
a Start the Tool Box on Dell Printer Hub or Dell Printer Management
Tool, and then click Reports on the Printer Setting Reports tab.
bClick Color Test Page for verification.
If the problem persists, contact Dell.
Problem Action
The printout is mottled. 1 Verity that the correct print media is being used. See “Supported Print
Media.” If not, use the print media recommended for the printer.
If the problem persists, proceed to step 2.
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