Phaser 6128MFP Service Manual 5-53
Print-Quality Troubleshooting
MQ Test Print
This print allows you to check for banding. The print is printed from the MQ Chart
Diagnosis tab in Tool Box.
When the image quality is normal, the Y, M, and C are confined within the frame.
When the image quality is abnormal, the colors run out the frame. Compare the
pitch of the wave with the pitch chart printed after the MQ Chart..
No Roll Parts Period (mm) Replaceable Parts
1 Heat Roll 66.7 Fuser
2 Drum 75.4 Imaging Unit
3 Mag Roll 37.7 Imaging Unit
4 Drive Roll 44.0 Printer
5 Registration Roll 37.6 Printer
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