Iq 13 All Colours Uneven Rap - Xerox ColorQube 9303 Series Service Manual

A B C D E F G
Perform SCP 5
Perform SCP 5 Final Actions.
Install new ribbon cables on the printhead that now shows the defect,
92.10 Item 7 and PL 92.10 Item
Perform SCP 5 Final Actions.
Perform SCP 5 Final Actions.
Perform SCP 5 Final Actions.
Perform the relevant RAP.
ColorQube® 9303 Family
Final Actions.
8.

IQ 13 All Colours Uneven RAP

Use this RAP to troubleshoot uneven colours in all four primary colours (cyan, magenta, yellow
and black).
PL
Ensure IQ 1 Image Quality Entry RAP is performed before starting this RAP.
Initial Actions
• Enter the customer administration tools,
then Automatic Light Lines Fix. Set Quick Fix to On. Set Full Fix to Eco Fix.
NOTE: Ensure that the customer's Automatic Light Lines and Full Fix settings are
restored to the original settings when the image quality defect has been corrected.
• Try running the customers image in a higher print resolution.
Procedure
Ensure that the electricity to the machine is switched off while performing tasks that do
not need electricity. Refer to
death or injury. Moving parts can cause injury.
Use care when moving the marking unit into the service position when hot. Ink can spill from
the ink reservoir located at the back of the unit if opened with too much force. Cross-colour ink
contamination could also occur.
Do not touch the exposed face of the printheads. Surface contamination or minor damage can
easily make the printhead unusable.
Evaluate the colour bands test page,
• High frequency lines of missing ink, dark lines or both, in the process direction,
The lines are across the width of a printhead. If observed, go to
• Dark or light bands in the process direction, across the width of a printhead,
defect might be more noticeable in single colours,
Checkout.
• Faded lines in the process direction with indistinct edges,
able in all colours but may be more apparent in some,
mity Checkout.
• Faded lines in the cross process direction,
lines. If observed, go to Ringing
• If the defect is not apparent in all four primary colours, go to the
Colours RAP. If the colours are spatially uniform but incorrect, go to the
Colour RAP.
February 2013
3-47
GP 5. On the Tools tab select Troubleshooting
WARNING
GP 14. Disconnect the power cord. Electricity can cause
CAUTION
CAUTION
TP 26. Check for the following defects.
X-Axis
Figure 3. If observed, go to
Figure 4. The defect is notice-
Figure 5. If observed, go to
Figure 6. Ringing seen between horizontal
Checkout.
IQ 14
Figure 1.
Checkout.
Figure 2. The
Uniformity
Unifor-
Uneven in Some
IQ 15 Wrong
Image Quality
IQ 12, IQ 13