October 2012
3-12
ColorQube 8570/8870 Service Manual
IQ7
Revised, 3rd Revision - Xerox Internal Use Only
Image Quality
IQ7 No Image is Printed
The printer processes a sheet of paper, but no image appears on the output.
NOTE: Blank sheets accompanying multi-picks or chase pages following a jam are a part of
normal operation.
Figure 1 No Image is Printed
Initial Actions
1. Check that supported media is being used.
2. Print the internal Demonstration page to verify issue is not caused by computer applica-
tion.
3. Check for media or debris around the Printhead and Drum.
4. Check for jam code in Fault History to determine if the black page is actually a chase
page following a jam.
Troubleshooting Reference
Applicable Parts (Chapter 5 - Parts List)
• Printhead Assembly, PL 2.1 Item 3
• Electronics Module, PL 5.1 Item 1
• Wave Amp, PL 5.1 Item 9
• Cable, Wave Amp Signal, PL 5.1 Item 18
• Cable, ZIF, Wave Amp Drive, PL 5.1 Item 19
Procedure
Inspect and reseat the Wave Amp and data cables connected to the Printhead Assembly.
Release the end of the cable and carefully examine the conductor ends (a magnifier helps) to
see that they are not cracked or torn. If the cable looks good, carefully reinstall it using a ZIF
tool (refer to REP 2.3 for how to use the ZIF tool for unlocking/locking the ZIF cable connector).
Replace the defective cables.
NOTE: Failure to properly unlock the connector will damage the cable.
Does the error persist?
YN
Troubleshooting complete.
Replace parts in the following order until the problem is fixed.
• Wave Amp (REP 5.9)
• Electronics Module (REP 5.1)
Does the error persist?
YN
Troubleshooting complete.
Follow the instructions on the Printhead Troubleshooting Checklist.
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General
Weight and Dimensions
