5-32 Phaser 6125/6130 Color Laser Printer Service Manual
Print-Quality Troubleshooting
Horizontal Band, Voids, or Streaks
There are areas of the image that are extremely light or are missing entirely.
These missing areas form wide bands which cover a wide area horizontally,
perpendicular to the paper feed direction.
Initial Actions
■ Check the paper transfer path.
■ Ensure there are no debris on the transfer path.
17 Is the image printed correctly? Complete Go to step 18.
18 Replace the Laser Unit (page 8-31).
Is the image printed correctly?
Complete Replace the
MCU Board
(page 8-59).
Troubleshooting Reference Table
Applicable Parts Example Print
■ Laser Unit Kit (PL4.1.99)
■ HVPS Board (PL4.1.19)
■ Imaging Unit (PL4.1.21)
■ Toner Cartridge K (PL5.1.21)
■ Toner Cartridge C (PL5.1.22)
■ Toner Cartridge M (PL5.1.23)
■ Toner Cartridge Y (PL5.1.24)
■ Transfer Unit (PL6.1.7)
■ IP Board (PL8.1.9)
■ MCU Board (PL8.2.13)
Troubleshooting Procedure Table (continued)
Step Actions and Questions Yes No
ABCDE abcde 12345
s6180-321