Filter
Top Products
5-4 Phaser 8400/8500/8550/8560 Color Printer Service Manual
Print-Quality Troubleshooting
Predominate Light Stripes
All four color bars are missing on the test page. A thin stripe with no colon is
likely due to foreign debris scratching ink off the Drum or the print. If there are
a series of regularly spaced white lines approximately 6
mm (.25 in.) apart
see
“White Stripes (Pinstripes)” on page 30
Initial Actions
■ Run the Eliminate Light Stripes routine from the Control Panel.
■ Check the exit path for debris or contamination.
4 Remove the Drum Maintenance Kit and
clean the wiper blade with a lint-free cloth or
replace the maintenance kit.
Did this correct the problem?
Complete. Go to Step 5.
5 For the 8400:
Download the latest Jet Fix snippet from the
Customer Support Site and follow the
readme instructions.
For the 8500/8550/8560:
Select “Advanced”. You are prompted to
choose the color and number of the
problem jet based on the Light Stripes Test
page. After selections are made, the printer
temporarily increases the drive voltage to
the selected jet, prints several pages, and
then performs a cleaning cycle.
Did this correct the problem?
Complete. Go to Step 6.
6 1.Turn off the printer for at least 4 hours.
2. Turn on the printer and if necessary,
repeat Step 1.
Did this correct the problem?
Complete. Follow the
instructions
on the
“Printhead
Troubleshooti
ng Checklist”.
Troubleshooting Reference
Applicable Parts Example Print
■ Printhead
■ Drum Maintenenace Kit
■ Stripper Carriage
Random Light Stripes Troubleshooting Procedure (Continued)
Step Questions and Actions
Yes No