Print-Quality Troubleshooting 5-19
Black Prints
A totally black output print. There is toner on the paper with no visible image.
Initial Actions
â– Inspect the paper path for items, such as staples, paper clips, and paper
scraps.
â– Check that the Drum Cartridge ground contacts are clean.
â– Check the installation of the Drum Cartridge.
â– Ensure the covers are in place and no outside light enters the printer.
Black Print Troubleshooting Reference
Applicable Parts Example Print
â– Drum Cartridge
â– High-Voltage Power
Supply
â– Image Processor Board
â– Engine Logic Board
Black Print Troubleshooting Procedures
Step Actions and Questions Yes No
1
Check the Print Engine.
Print a Test Print.
Is the Test Print Normal?
Print a
Configuration
Page, Go to
Step 2.
Go to Step 4.
2
Check Confirguration Page.
Print the Configuration Page.
Is the Configuration Page normal?
Verfiy the
Customer’s print
job. Go to
Step
3.
Go to Step 4.
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