Dark Streaks In A Single Color Or All Colors Parallel To The Leading Edge Of The Paper - Xerox 7300B - Phaser Color Laser Printer Service Manual

Dark Streaks in a Single Color or All colors Parallel
to the Leading Edge of the Paper
Process
Troubleshooting Procedure
Step Check
1 Print the Color Test Pages.
Does the problem occur in one primary color?
2 Perform the Remove Print Smears routine from
the printer's front panel.
Did this fix the problem?
3 Inspect the Fuser rollers for contamination.
Is the Fuser contaminated?
4 Generate a service test print pattern from within
service diagnostics. This will test the Engine
Controller Board.
Did the test pattern print correctly?
3-108
There are dark lines running parallel with the
leading edge of the print.
7300-037
.
Phaser 7300 Color Printer Service Manual
Yes No
Replace the Go to step [2].
Imaging Unit of
the defective
color.
Complete Go to step [3].
Replace the Go to step [4].
Fuser.
Replace the Replace Engine
Image Processor Controller
Board. Board.