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5-22 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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