Solid Dark Or Dirty Prints, No Border - Xerox Phaser 6300 Service Manual

Solid Dark or Dirty Prints, No Border

This print-quality symptom is a composite image of all colors with no margin. This is
caused by a charge voltage or cleaning system failure.
Troubleshooting Reference Table
Applicable Parts
Imaging Unit, PL6.1.1
Developer Frame Assembly, PL7.1.1
HVPS, PL9.1.21
Engine Control Board, PL9.1.16
Housing Assembly Bias, PL6.1.7
Troubleshooting Procedure Table
Step Actions and Questions
1
Replace the Imaging Unit (page 8-5).
Is the problem resolved after replacing
the Imaging Unit?
2 Replace the Transfer Roller (page 8-5).
Did the imaging quality improve?
3 WARNING:
Inspect the Imaging Unit charge
voltage contacts and the Housing
Assembly Bias for any damage or
defects.
4 Replace the HVPS (page 8-109).
Is the problem resolved after replacing
the HVPS?
NOTE: After replacing any component
in Step 2 or 3, run the Clean the
Imaging Unit from the
Maintenance section of Service
Diagnostics. See "Service
Diagnostics" on page 4-6.
Print-Quality Troubleshooting
Turn printer power Off and
disconnect the AC power
cord before proceeding
with the following checks.
Example Print
Yes
Complete
Complete
Complete
Complete
s6300-112
No
Go to Step 2.
Go to Step 3.
Go to Step 4.
Replace the Engine
Control Board
(page 8-104).
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