Lexmark C77X, Service Manual

Page: 150 / 480

2-106
Service Manual
5061
White streak in color plane
A white streak appears in one particular color plane. This problem may be caused by a contaminated developer
roll in the print cartridge.
Paper wrapped around the second transfer roll
Step Actions and questions Yes No
1 Check to see which color is having the problem, and go
to step 2.
2 Try a new cartridge for the color having the problem.
Does a new cartridge fix the problem?
Problem resolved Go to step 3.
3 Printhead check—The printhead lens may be
contaminated by toner. Check for any signs of
contamination on the lens of the printhead.
Is the printhead contaminated?
Go to “Printhead
removal and
adjustments”
on page 4-73
.
Contact your next
level of support.
Step Actions and questions Yes No
1 Some media can get wrapped around the second
transfer roll and can affect print quality.
Is there a piece of media wrapped around the second
transfer roll?
Remove the
piece of media,
and go to step 2. Problem resolved
2
Run several pages to see if the media wraps around
the second transfer roll again.
Does the media wrap around the second transfer roll,
again?
Replace the
second transfer
roll. See
“Second
transfer roll
removal” on
page 4-89
. If this
does not fix the
problem, contact
your next level of
support for
assistance.
Problem resolved