5-20
Phaser 6128MFP Service Manual
Print-Quality Troubleshooting
Vertical Stripes
There are black lines along the page in the direction of the paper travel from the
leading edge to the trailing edge.
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 Parts
Example Print
■
Laser Unit Kit (PL4.1.99)
■
Imaging Unit (PL4.1.21)
■
Fuser (PL6.1.1)
■
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
Check the Transfer Belt high-voltage
connections..
Are the contacts on the Transfer Belt
and springs damaged or dirty?
Clean or
replace the
Transfer Belt
contacts or
spring(s).
Go to step 2.
2
Check the Imaging Unit high-
voltage connections.
Are the contacts on the Imaging
Unit, and springs damaged or dirty?
Clean and/or
replace the
Imaging Unit
or spring(s).
Go to step 3.
3
Reseat the Imaging Unit.
Is the image printed correctly?
Complete
Go to step 4.
4
Reseat the Fuser.
Is the image printed correctly?
Complete
Go to step 5.
5
Reseat all MCU Board connectors.
Is the image printed correctly?
Complete
Go to step 6.
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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 ...
Page 605: ......