Phaser 6500/WorkCentre 6505 Service Manual Xerox Internal Use Only 5-27
Print-Quality Troubleshooting
Repeating Bands, Lines, Marks, or Spots
There are recurring lines, marks, or spots on the page.
Initial Actions
• Check the paper transfer path.
• Ensure there are no debris on the transfer path.
Allow the Fuser to cool before starting the procedure.
20 Replace the Laser Unit (page 8-86).
Is the image printed correctly?
Complete Replace the
MCU Board
(page 8-138).
Troubleshooting Reference Table
Applicable Notes Example Print
Laser Unit, PL4.1.99
Toner Cartridge K, PL5.1.21
Toner Cartridge C, PL5.1.22
Toner Cartridge M, PL5.1.23
Toner Cartridge Y, PL5.1.24
Fuser, PL6.1.1
Transfer Belt, PL6.1.7
Troubleshooting Procedure
Step Actions and Questions Yes No
1 Check for spot’s regular intervals. Do
spots, lines, or marks that might
appear on the page occur at regular
intervals?
Refer to “Pitch
Chart Test
Print” on
page 5-50.
Complete.
Troubleshooting Procedure (continued)
Step Actions and Questions Yes No