Solutions
• Ensure that the media used is approved, within press specifications and is clean.
• Check that the press is within environmental specifications and humidity levels.
• Load a new ream of paper or different type of media.
• Run the
Clean Toner
procedure. For instructions, refer to the the
System Administrator Guide
,
Maintenance
→
Common Service Settings
.
• Check for Drum failure or damage. Acquire your measuring tool from either
or the
Nationalization Kit
.
–
Check the frequency of the spot intervals. If spots occur every 147 mm on the prints,
determine which color drum is affected.
–
To determine which color drum is affected, go to
, to
download, and then print the
Halftone Test Pattern
PDF.
• To replace or swap the drum; refer to
.
RReeppeeaattiinngg D
Deeffeeccttss aatt RReegguullaarr IInntteerrvvaallss oonn PPrriinnttss
Problem
The prints show any defect type that repeats at intervals that can be measured.
243