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Phaser 3140/3155/3160 Printer Service Manual
Print-Quality Troubleshooting
Horizontal Black Line or Band
There are black lines running parallel with the leading edge of the print,
perpendicular to the direction of the paper travel. This can occur when the high
voltage contacts to the Print Cartridge are damaged or dirty. Staining of Print
Cartridge components can also cause horizontal banding.
Initial Actions
•
Check the connection between the Power Supply and Print Cartridge.
•
Check Print Cartridge life.
Troubleshooting Reference Table
Applicable Parts
Example Print
■
Print Cartridge, PL1.0.12
Troubleshooting Procedure Table
Step
Actions and Questions
Yes
No
1
Clean all Print Cartridge contacts.
Does the image quality improve?
Complete.
Go to step 2.
2
Does the defect occur at a regular
interval?
■
OPC Drum = 75.3mm
■
Charge roller = 37.5mm
■
Supply roller = 49mm
■
Develop roller = 35mm
■
Transfer roller = 46.2mm
■
Heat Roller = 63.9mm
■
Pressure Roller = 75.3mm
Clean the right
side OPC Drum
gear.
Go to step 3.
3
Check the right side OPC Drum gear
for damage.
Is the Gear damaged?
Replace the
Print Cartridge
(page 8-6).
Complete.
Horizontal Stripes
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