Troubleshooting
ColorQube 8570/8870 Color Printer
User Guide
169
Predominant Light Stripes (Ink Missing from Print)
Random Light Stripes
Probable Causes Solutions
There is dirt or debris in the exit door area. Open the exit door and remove debris from the
paper-exit area. For details, see Cleaning the Paper
Release Blade on page 121.
The printhead needs to be cleaned. Run the Eliminate Light Stripes procedure. For details,
see Eliminating Light Stripes on page 172.
Probable Causes Solutions
One of the printhead ink jets is malfunctioning. • Run the Eliminate Light Stripes procedure. For
details, see Eliminating Light Stripes on
page 172.
• Select the Jet Substitution Mode to substitute a
jet for the malfunctioning jet causing the light
stripe. For details, see Substituting an Ink Jet on
page 173.
Light Stripes Test
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