Iqs 3 Fusing; Iqs 4 Resolution - Xerox WorkCentre 5790 Series Service Manual

IQS 3 Fusing

Documents
Test Patterns: 82E2000 (A3 and 11X17) 82E2010 (A4) 82E2020 (8.5X11).
Procedure
Make 5 copies of the test pattern, Figure
through the center of a solid area. Use a finger to apply medium pressure along the fold to
crease the paper. Unfold the copy. Use a finger to lightly rub the area of the fold and adjacent
areas.
Specification
Any break should measure less than 1mm (1/32 inch) across the line of a fold. Any area
rubbed with a cloth should not smudge or the image lift off the surface of the paper. When
checking the fusing on heavy weight paper (200gsm), rub the image with a finger. Images
fused on the smooth side have a greater resistance to rubbing than images fused on the rough
side. Do not attempt to fold heavy weight paper, as this breaks the fibres.
Rub these area with a finger.
Figure 1 Test pattern
Xerox® WorkCentre® 5790 Family
1. Check the fusing by folding one of the copies
Fold the print across these solid areas

IQS 4 Resolution

Documents
Test patterns: 82E2000 (A3 and 11X17) 82E2010 (A4) 82E2020 (8.5X11).
Specification
Make copies of a test pattern. from the document glass. Examine the targets of the second
copy to determine the overall resolution of the copy. The lines identified by the letter H,
1, should be clearly reproduced at 100%
Corrective action
If the resolution specification is not met, refer to
May 2013
3-35
IQ1 Image Quality entry RAP.
Figure 1 Test pattern
IQS 3, IQS 4
Figure
Image Quality