Xerox M20 - WorkCentre B/W Laser, Service Manual

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December 2006
3-22 WorkCentre M20, 4118, FaxCentre 2218 Family
IQS 2, IQS 3
Image Quality
IQS 2 Skew
Documents
Test pattern: 82P524 (8.5 x 14), 82E2020 (8.5 x 11) or 82E2010 (A4).
NOTE: Test pattern 82P524 is a mylar document and should be copied from the document
glass only.
Specification
Refer to Table 1, Skew specifications.
IQS 3 Registration
Documents
Test pattern: 82P524 (8.5 x 14), 82E2020 (8.5 x 11) or 82E2010 (A4).
NOTE: Test pattern 82P524 is a mylar document and should be copied from the document
glass only.
Specifications
Refer to Table 1.
Corrective Action
Go the IQ20 Poor Side Edge Registration RAP.
Table 1 Skew specifications
Skew Specification
Print Skew Max: +/-2.5mm (7/64 inch) per 250mm (10 inches) (+/-1%)
Table 1 Registration measurement
Registration Specification
Lead edge 4mm (5/32 inches) +/- 3mm (1/8 inches)
Top edge 4mm (5/32 inches) +/- 3mm (1/8 inches)