Action Yes No
1 From the control panel, touch Help > Supplies Guide.
2 Measure the distance between the defects.
• If the distance between the defects equals 43.90 mm
(1.73 in.), or 45.50 mm (1.79 in.), then call customer
support to replace the developer unit of the color
where defects are seen.
• If the distance between defects of a single color equals
94.20 mm (3.7 in.), 29.80 mm (1.17 in.), or 25.10 mm
(0.99 in.), then replace the imaging unit or imaging kit.
• If the distance between the defects equals 37.70 mm
(1.48 in.), 78.50 mm (3.09 in.), or 55.0 mm (2.17 in.), then
replace the transfer module.
• If the distance between defects of all colors equals
95.0 mm (3.74 in.), 110 mm (4.33 in.), or 34.60 mm
(1.36 in.), then replace the fuser.
Do the repeating defects still appear?
Contact
customer
support or your
service
representative.
The problem is solved.
Solid color or black images
Action Yes No
a Remove, and then reinstall the imaging unit or imaging kit.
Warning—Potential Damage: Do not expose the imaging unit
or imaging kit to direct light for more than 10 minutes.
Extended exposure to light may cause print quality problems.
Warning—Potential Damage: To avoid damage, do not touch
the underside of the imaging unit or imaging kit.
b Resend the print job.
Is the printer still printing solid color or black images?
Contact
customer
support.
The problem is
solved.
Troubleshooting 85
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