Tektronix Phaser 540 User Manual page 126

6
Troubleshooting
Troubleshooting and print quality quick reference (cont'd.)
Symptom
A single, wide, light horizontal
band appears in one place on
the page or the entire image
is faded.
Print Quality Test Page
Cyan
Cyan
Magenta Magenta
Yellow
Black
Count
Image Unit 1505
Corona 487
Transfer Kit 484
Fuser 0
Large light spot(s) appears
randomly in the print.
Print Quality Test Page
Cyan
Magenta
Yellow
Black
Count
Image Unit 1505
Corona 487
Transfer Kit 484
Fuser 0
On the test print, each color
"bleeds" into the color band
below it (the most visible is
magenta in the yellow band).
6-12
Phaser 540 Color Printer
Possible Causes
The imaging unit was exposed too
long to light.
Fingerprint(s): someone has touched
the underside of the imaging unit.
The cleaning blade inside the imaging
unit is not cleaning an internal belt.
Solution
Wait overnight and print the test print. If
print quality hasn't changed, replace the
imaging unit.
Artifact(s) fades after several prints.
Replace the imaging unit.