Xerox ColorQube 9303 Series Service Manual

February 2013
3-65
ColorQube® 9303 Family
IQ 18
Image Quality
IQ 18 Irregular Duplex Gloss Differences RAP
Use this RAP when the output displays gloss variations visible on large areas of high ink cover-
age.
Irregular gloss defects can be in any direction, Figure 1.
Ensure IQ 1 Image Quality Entry RAP is performed before starting this RAP.
Initial Actions
WARNING
Ensure that the electricity to the machine is switched off while performing tasks that do
not need electricity. Refer to GP 14. Disconnect the power cord. Electricity can cause
death or injury. Moving parts can cause injury.
• Check the media type. Smoother media will provide a more uniform gloss finish.
• Check that the gloss defect is found only on the second printed side of a duplex print and
has an irregular shape.
If the gloss defect is present on simplex prints and runs in either the process or cross pro-
cess direction, go to:
– IQ 16 Scratches or Gloss Marks in the Process Direction RAP
– IQ 17 Gloss Marks in the Cross-Process Direction RAP
– IQ 19 Image Ghosting RAP
Procedure
NOTE: When printing TP 5 from dC959, ensure that A4 or 8.5 x 11 inch plain paper is loaded
long edge feed into tray 4. Use the best quality media available. Do not use hole punched
paper.
Print four duplex copies of TP 5 Black Solid Fill Test Pages (TP 2 to TP 10). Evaluate the final
prints for irregular gloss defects.
NOTE: It is normal for the second printed side (page 1) to be glossier than the first printed side
(page 2).
Check that page 1 shows uniform gloss across the page and that no gloss defects are visible.
Page 1 is good.
YN
Run dC335 Heater Monitor and Exerciser Check the registration/preheat assembly tem-
perature. Select RaLPH in the component list. The registration/preheat temperature is
good.
YN
Go to 88-500-00 to 88-502-00, 88-512-00 Preheat Thermal Error RAP.
Check the registration/preheat air pump, refer to 88-508-00 Registration/Preheat Air
Pump Incorrect Current RAP.
The registration/preheat air pump is good.
YN
Install a new registration/preheat air pump, PL 88.10 Item 5.
The printer is operating within specifications. Refer to IQ 19 Image Ghosting RAP for
additional fixes.
Perform SCP 5 Final Actions.
Figure 1 Irregular gloss print defect
A
A

Xerox ColorQube 9303 Series Specifications

General

Brand	Xerox
Model	ColorQube 9303 Series
Category	All in One Printer
Language	English