Iq2 Iit Image Quality Entry Rap - Xerox DocuColor 1632 Service Manual

IQ2 IIT Image Quality Entry RAP

This RAP is for troubleshooting IIT (Scanner/ADF) problems only. Before proceeding, verify
that the defect is present in Copy mode only. If the defect is present in Print mode, go to the
IQ1 RAP.
Defect
Background
Blurred or Streaked Copy
R/E error
Deletions
Misregistration/Skew
Moire
Patterns in the image areas of the print that have the
appearance of a screen or grid overlaying the
image. The pattern may be uniform or nonuniform in
area or shape.
Newton Rings
Repetitive, irregular-shaped marks that occur when
making copies of glossy photographs. These marks
are most noticeable in large low-density or highlight
areas.
Image Quality
IQ2
Table 1
Clean the Platen Belt.
Calibrate the IIT (ADJ 9.7).
Ensure that the Platen Glass is installed correctly.
Check/adjust the carriage alignment (ADJ
Check/adjust IIT magnification (ADJ 9.12).
Clean the Lens, the top and bottom surface of the Platen Glass, and all Mirrors with Lens and Mirror Cleaner and a soft, lint-free cloth.
If the problem persists, replace the Lens Kit
Go to the IQ9 RAP.
ï Switch between photo modes to determine which mode minimizes the defect.
ï Decrease the Sharpness level.
ï Reduce or enlarge the copy slightly.
ï Rotate the original on the platen by 90 degrees.
Clean the Document Glass
Place a transparency between the document and the glass
Initial Actions
Clean the Lens, the top and bottom surface of the Platen Glass, and all Mirrors with Lens and
Mirror Cleaner and a soft, lint-free cloth.
Procedure
Compare the defective copies with the descriptions listed in
action listed for that defect.
Corrective Action
6.1).
(PL 18.4).
6/02
3-4
Table 1. Perform the corrective
Prelaunch Training/Review
DC1632/2240