Lexmark C782 Service Manual - Page 146

White streak in color plane, Paper wrapped around the second transfer roll, Printhead, removal

Page 146 highlights

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. Step 1 2 3 Actions and questions Check to see which color is having the problem, and go to step 2. Try a new cartridge for the color having the problem. Does a new cartridge fix the problem? 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? Yes Problem resolved Go to "Printhead removal and adjustments" on page 4-72. No Go to step 3. Contact your next level of support. Paper wrapped around the second transfer roll Step 1 2 Actions and questions 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? 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? Yes Remove the piece of media, and go to step 2. No Problem resolved Replace the second transfer roll. See "Second transfer roll removal" on page 4-88. If this does not fix the problem, contact your next level of support for assistance. Problem resolved 2-104 Service Manual

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2-104
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 4-72
.
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 4-88
. If this
does not fix the
problem, contact
your next level of
support for
assistance.
Problem resolved