4505
Print quality service checks
Note: Ensure cover is closed tightly. A gap in the opening may allow
light to expose the photoconductor resulting in a ?dirt? pry int.
Using print quality test pages
To help isolate print quality problems, like streaking, print test pages
using the print quality test pages setting:
1. Turn the printer on with pressed and the front door open.
2. When light stays on, close cover.
3. Wait (approximately 7 seconds) until the printer drive activates.
4. Enter the configuration men?Configuration and u. See
diagnostic groups? on page 3-1 for more information.
5. Slowly press and release three times until the and
lights come on.
6. Press and hold until all the lights flash to initiate print quality
test pages.
Three pages print to help you evaluate print quality. The first
page has various fonts, the second page is gray, and the third
page is black. Once the paper exits into the output bin, the
printer returns to the home state (four top lights on).
7. Use the test pages to isolate problems such as light or toner
streaks. See ?Symptom tables? on page 2-44 for solutions to
these problems.
8. To exit print quality test pages, turn the printer off.
2-66Service Manual |
ACEC
