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Phaser 6128MFP Service Manual
Print-Quality Troubleshooting
Random Spots
There are spots of toner randomly scattered across the page.
Initial Actions
•
Check the paper transfer path.
•
Ensure there are no debris on the transfer path.
Warning
Allow the Fuser to cool before starting the procedure.
Troubleshooting Reference Table
Applicable Notes
Example Print
■
Laser Unit Kit (PL4.1.99)
■
Imaging Unit (PL4.1.21)
■
Transfer Belt (PL6.1.7)
■
IP Board (PL10.6.6)
■
MCU Board (PL10.7.7)
Troubleshooting Procedure Table
Step
Actions and Questions
Yes
No
1
Inspect the paper transfer path.
Is there any contamination on the
paper transfer path?
Clean the
paper path
(refer to
“Cleaning” on
page 7-2), then
go to step 2.
Go to step 3.
2
Is the image printed correctly?
Complete
Go to step 3.
3
1. Run the Contamination Check test
print:
Service Mode > Test Print >
Contamination Chk
2. Compare any spots with the Pitch
Chart (page 5-51).
Do any of the spots appear at
regular intervals, and do the
intervals match the chart?
Replace the
corresponding
parts.
Go to step 4.
Random Spots
Summary of Contents for Phaser 6128 MFP
Page 1: ...Phaser 6128MFP Multi Function Printer Phaser 6128MFP Service Manual ...
Page 2: ......
Page 14: ...xii Phaser 6128MFP Service Manual Contents ...
Page 24: ...xxii Phaser 6128MFP Service Manual ...
Page 54: ...1 30 Phaser 6128MFP Service Manual General Information ...
Page 120: ...2 66 Phaser 6128MFP Service Manual Theory of Operation ...
Page 270: ...3 150 Phaser 6128MFP Service Manual Error Messages and Codes ...
Page 408: ...5 62 Phaser 6128MFP Service Manual Print Quality Troubleshooting ...
Page 420: ...6 12 Phaser 6128MFP Service Manual Adjustments and Calibrations ...
Page 424: ...7 4 Phaser 6128MFP Service Manual Cleaning and Maintenance ...
Page 604: ...I 6 Phaser 6128MFP Service Manual ...
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