5-16 Phaser 6300/6350/6360 Color Laser Printer Service Manual
Print-Quality Troubleshooting
Black Prints with White Margin Border
The entire image area, except the margins, are black.
Troubleshooting Reference Table
Applicable Parts Example Print
■ Imaging Unit, PL6.1.1
■ Developer Frame Assembly, PL7.1.1
■ Laser Unit, PL6.1.2
■ HVPS, PL9.1.21
■ Engine Control Board, PL9.1.16
Troubleshooting Procedure Table
Step Actions and Questions Yes No
1 Print an Engine Test Print. See
(
page 5-10).
Does the output match the
example on
page 5-9?
Replace the Image
Processor Board
(
page 8-99).
Go to Step 2.
2 Block the laser path with a sheet of
paper. Does the image change?
Replace the
Engine Control
Board
(page 8-106).
Go to Step 3.
3 Replace the Imaging Unit
(
“Imaging Unit Removal” on
page 8-7).
Does the image quality improve if
the Imaging Unit is replaced?
Complete Go to Step 4.
4 Replace the Laser Unit
(
page 8-77). Does the image
quality improve?
Complete Go to Step 5.
5 Replace the HVPS. Did the image
quality improve?
Complete Go to Step 6.
6 Replace the Developer Frame
Assembly (
page 8-79).
Does the image quality improve?
Complete Replace the Engine
Control Board
(page 8-106).
s6360-111