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Phaser 6128MFP Service Manual
Print-Quality Troubleshooting
Black Print
The entire image is black.
Initial Actions
•
Check the paper transfer path.
•
Ensure there are no debris on the transfer path.
Troubleshooting Reference Table
Applicable Parts
Example Print
■
Laser Unit Kit (PL4.1.99)
■
HVPS Board (PL4.1.19)
■
Imaging Unit (PL4.1.21)
■
IP Board (PL10.6.6)
■
MCU Board (PL10.7.7)
Troubleshooting Procedure Table
Step
Actions and Questions
Yes
No
1
Run the Gradation ESS test print:
Service Mode > Test Print> Toner
Gradation ESS
Is the image printed correctly?
Go to step 2.
Go to step 3.
2
Run the Pattern IOT test print:
Service Mode > Test Print> Toner
Pattern IOT
Is the image printed correctly?
Replace the IP
Board
(page 8-41).
Go to step 3.
3
Reseat the Imaging Unit.
Is the image printed correctly?
Complete
Go to step 4.
4
Reseat all MCU Board connectors.
Is the image printed correctly?
Complete
Go to step 5.
5
Reseat all IP Board connectors.
Is the image printed correctly?
Complete
Go to step 6.
6
Reseat the Laser Unit.
Is the image printed correctly?
Complete
Go to step 7.
Black Print
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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