Service Guide - C7000 Series
Page: 124
Chapter 6 Troubleshooting Procedures
6.2 Checking before Troubleshooting Image Problems
(1) Is the printer's operating environment correct?
(2) Have the consumables (toner, drum cartridges) been properly replaced?
(3) Is the correct media being used? Refer to the media specification.
(4) Are the image drum cartridges correctly installed?
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