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188 Chapter 9 Image quality EN
• If the problem is dust, remove the dust with isopropyl alcohol applied
with a lint-free, static-free wipe. Try this only if the print defect is
unacceptable and the only other alternative is replacing the imaging
drum.
• Defects caused by exposure to light might clear up over time. If
severe, replace the imaging drum.
Defect spacing chart
Consumable Roller Distance
Drum Charge roller 40 mm
(1.6 in)
Imaging drum 152 mm
(6 in)
Developer sleeve Black developer 37 mm
(1.5 in)
Color developer 30 mm
(1.2 in)
Fuser 131 mm
(5.2 in)
ITB ICL roller 40 mm
(1.6 in)
Transfer roller 53 mm
(2.1 in)
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