5-28 Phaser 3250 Laser Printer Service Manual
Print-Quality Troubleshooting
Horizontal Black Line and Band
There are black lines running parallel with the leading edge of the print,
perpendicular to the direction of the paper travel.
Initial Actions
■ Check the paper transfer path.
■ Ensure there are no debris on the transfer path.
Troubleshooting Reference Table
Applicable Parts Example Print
■ Print Cartridge, PL1.1.20
Troubleshooting Procedure Table
Step Actions and Questions Yes No
1 1.Clean all voltage terminal of the
Print Cartridge.
2.Does the image quality improve?
Complete. Go to step 2.
2 1.Check for a defect occuring at a
regular interval.
2.Are there any bands on the page?
Refer to
“Repeating
Defect
Measurement”
on page 5-13.
Go to step 3.
3 1.Check the Gear of the OPC Drum
(has a small tooth gap) for damage.
2.Is the Gear damaged?
Replace the
Print Cartridge
(
page 8-7).
Complete.
Horizontal Stripes
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