5-10 Phaser 6300/6350 Color Laser Printer Service Manual
Print-Quality Troubleshooting
Light Prints
The overall image density is too light.
Initial Actions
â– Verify the media used is supported by this printer.
â– Verify the media settings are correct at the Control Panel.
â– Run the color calibration routine prior to using this troubleshooting
procedure.
Troubleshooting Reference Table
Applicable Parts Example Print
â– Imaging Unit, PL6.1.1
â– Developer Assemblies, PL7.1.17~20
â– Laser Unit, PL6.1.2
â– Transfer Roller, PL5.1.4
â– HVPS, PL9.1.21
â– Engine Control Board, PL9.1.16
Troubleshooting Procedure Table
Step Actions and Questions Yes No
1
Check the Imaging Unit and Transfer
Roller for correct installation, damage,
contamination, and life remaining.
Replace or reinstall
the affected
component.
Go to Step 2.
2
Replace the Imaging Unit (page 8-5).
Does the image quality improve?
Complete Go to Step 3.
3
Replace the Transfer Roller
(
page 8-5).
Does the image quality improve?
Complete Go to Step 4.
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