Contamination Check - Dell 3115cn Service Manual

4.6.12 Contamination Check

Allows you to check the print for any regular lines or toner spots when encountering PQ problems.
From the difference in the interval of regular lines or spots, you can determine the parts that have
caused the trouble.
Page 1 to 4: Prints the scale patterns in vertical and horizontal directions for evaluating regularity
and intervals.
Page 5: Prints the list of intervals by component fault.
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Color Laser 3110cn Components/CRU
Pitch (interval)
75.4 mm
28.8 mm
25.9 mm
37.7 mm
25.2 mm
22.3 mm
28.3 mm
56.9 mm
82.7 mm
94.2 mm
18.8 mm
43.2 mm
31.4 mm
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Page 5
Dell Component Name
Print Cartridge
Print Cartridge
Print Cartridge
Print Cartridge
Print Cartridge
Print Cartridge
Transfer Unit
Transfer Unit
Fuser Unit
Fuser Unit
Fuser Unit
Fuser Unit
Roll Pinch Exit
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Chapter 2 Operation of Diag.
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